1011102020120 has 32 divisors (see below), whose sum is σ = 2277784771920. Its totient is φ = 403942101120.

The previous prime is 1011102020119. The next prime is 1011102020161. The reversal of 1011102020120 is 210202011101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15551747 + ... + 15616626.

Almost surely, 2^{1011102020120} is an apocalyptic number.

1011102020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011102020120 is an abundant number, since it is smaller than the sum of its proper divisors (1266682751800).

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

1011102020120 is a wasteful number, since it uses less digits than its factorization.

1011102020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31169195 (or 31169191 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011102020120 its reverse (210202011101), we get a palindrome (1221304031221).

The spelling of 1011102020120 in words is "one trillion, eleven billion, one hundred two million, twenty thousand, one hundred twenty".