1102131212 has 48 divisors (see below), whose sum is σ = 2403932160. Its totient is φ = 430477632.

The previous prime is 1102131193. The next prime is 1102131221. The reversal of 1102131212 is 2121312011.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 9593 + ... + 47919.

It is an arithmetic number, because the mean of its divisors is an integer number (50081920).

Almost surely, 2^1102131212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102131212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201966080).

1102131212 is an abundant number, since it is smaller than the sum of its proper divisors (1301800948).

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

1102131212 is a wasteful number, since it uses less digits than its factorization.

1102131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38430 (or 38428 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1102131212 is about 33198.3615860783. The cubic root of 1102131212 is about 1032.9463543908.

Adding to 1102131212 its reverse (2121312011), we get a palindrome (3223443223).

The spelling of 1102131212 in words is "one billion, one hundred two million, one hundred thirty-one thousand, two hundred twelve".