1011112110102 has 32 divisors (see below), whose sum is σ = 2029441794912. Its totient is φ = 335836399104.

The previous prime is 1011112110089. The next prime is 1011112110161. The reversal of 1011112110102 is 2010112111101.

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, 1826448 + ... + 2314764.

It is an arithmetic number, because the mean of its divisors is an integer number (63420056091).

Almost surely, 2^{1011112110102} is an apocalyptic number.

1011112110102 is an abundant number, since it is smaller than the sum of its proper divisors (1018329684810).

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

1011112110102 is a wasteful number, since it uses less digits than its factorization.

1011112110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489552.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1011112110102 its reverse (2010112111101), we get a palindrome (3021224221203).

Subtracting 1011112110102 from its reverse (2010112111101), we obtain a palindrome (999000000999).

The spelling of 1011112110102 in words is "one trillion, eleven billion, one hundred twelve million, one hundred ten thousand, one hundred two".