11121012 has 36 divisors (see below), whose sum is σ = 32128096. Its totient is φ = 3177360.

The previous prime is 11120981. The next prime is 11121037. The reversal of 11121012 is 21012111.

It is a happy number.

11121012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11120985 and 11121003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21814 + ... + 22317.

Almost surely, 2^11121012 is an apocalyptic number.

11121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121012 is an abundant number, since it is smaller than the sum of its proper divisors (21007084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121012 is a wasteful number, since it uses less digits than its factorization.

11121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44148 (or 44143 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 11121012 is about 3334.8181359708. The cubic root of 11121012 is about 223.2105768295.

Adding to 11121012 its reverse (21012111), we get a palindrome (32133123).

It can be divided in two parts, 111 and 21012, that multiplied together give a palindrome (2332332).

The spelling of 11121012 in words is "eleven million, one hundred twenty-one thousand, twelve".