1021102010112 has 36 divisors (see below), whose sum is σ = 2717620456040. Its totient is φ = 340367336448.

The previous prime is 1021102010111. The next prime is 1021102010143. The reversal of 1021102010112 is 2110102011201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021102010111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664779187 + ... + 664780722.

Almost surely, 2^{1021102010112} is an apocalyptic number.

1021102010112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021102010112 is an abundant number, since it is smaller than the sum of its proper divisors (1696518445928).

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

1021102010112 is an equidigital number, since it uses as much as digits as its factorization.

1021102010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329559928 (or 1329559914 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021102010112 its reverse (2110102011201), we get a palindrome (3131204021313).

The spelling of 1021102010112 in words is "one trillion, twenty-one billion, one hundred two million, ten thousand, one hundred twelve".