1121100212 has 48 divisors (see below), whose sum is σ = 2107365120. Its totient is φ = 520867200.

The previous prime is 1121100193. The next prime is 1121100289. The reversal of 1121100212 is 2120011211.

It is a junction number, because it is equal to n+sod(n) for n = 1121100193 and 1121100202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330887 + ... + 334257.

It is an arithmetic number, because the mean of its divisors is an integer number (43903440).

Almost surely, 2^1121100212 is an apocalyptic number.

It is an amenable number.

1121100212 is a deficient number, since it is larger than the sum of its proper divisors (986264908).

1121100212 is a wasteful number, since it uses less digits than its factorization.

1121100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512 (or 3510 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1121100212 is about 33482.8345872926. The cubic root of 1121100212 is about 1038.8387593407.

Adding to 1121100212 its reverse (2120011211), we get a palindrome (3241111423).

The spelling of 1121100212 in words is "one billion, one hundred twenty-one million, one hundred thousand, two hundred twelve".