1020111112112 has 80 divisors (see below), whose sum is σ = 2051503070400. Its totient is φ = 491043041280.

The previous prime is 1020111112093. The next prime is 1020111112157. The reversal of 1020111112112 is 2112111110201.

1020111112112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 29700293 + ... + 29734619.

It is an arithmetic number, because the mean of its divisors is an integer number (25643788380).

Almost surely, 2^{1020111112112} is an apocalyptic number.

It is an amenable number.

1020111112112 is an abundant number, since it is smaller than the sum of its proper divisors (1031391958288).

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

1020111112112 is a wasteful number, since it uses less digits than its factorization.

1020111112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34974 (or 34968 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1020111112112 its reverse (2112111110201), we get a palindrome (3132222222313).

The spelling of 1020111112112 in words is "one trillion, twenty billion, one hundred eleven million, one hundred twelve thousand, one hundred twelve".