11211012021012 has 48 divisors (see below), whose sum is σ = 26188407168000. Its totient is φ = 3732809304960.

The previous prime is 11211012020987. The next prime is 11211012021023. The reversal of 11211012021012 is 21012021011211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11211012020982 and 11211012021000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39096414 + ... + 39382122.

It is an arithmetic number, because the mean of its divisors is an integer number (545591816000).

Almost surely, 2^{11211012021012} is an apocalyptic number.

11211012021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11211012021012 is an abundant number, since it is smaller than the sum of its proper divisors (14977395146988).

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

11211012021012 is a wasteful number, since it uses less digits than its factorization.

11211012021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289376 (or 289374 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11211012021012 its reverse (21012021011211), we get a palindrome (32223033032223).

The spelling of 11211012021012 in words is "eleven trillion, two hundred eleven billion, twelve million, twenty-one thousand, twelve".