1102921212 has 48 divisors (see below), whose sum is σ = 2632089600. Its totient is φ = 359361600.

The previous prime is 1102921199. The next prime is 1102921241. The reversal of 1102921212 is 2121292011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89989 + ... + 101507.

It is an arithmetic number, because the mean of its divisors is an integer number (54835200).

Almost surely, 2^1102921212 is an apocalyptic number.

1102921212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102921212 is an abundant number, since it is smaller than the sum of its proper divisors (1529168388).

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

1102921212 is a wasteful number, since it uses less digits than its factorization.

1102921212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11706 (or 11704 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1102921212 is about 33210.2576322437. The cubic root of 1102921212 is about 1033.1930983703.

The spelling of 1102921212 in words is "one billion, one hundred two million, nine hundred twenty-one thousand, two hundred twelve".