1011012112020 has 24 divisors (see below), whose sum is σ = 2830833913824. Its totient is φ = 269603229856.

The previous prime is 1011012112013. The next prime is 1011012112057. The reversal of 1011012112020 is 202112101101.

It is a super-2 number, since 2×1011012112020² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1011012111987 and 1011012112005.

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, 8425100874 + ... + 8425100993.

It is an arithmetic number, because the mean of its divisors is an integer number (117951413076).

Almost surely, 2^{1011012112020} is an apocalyptic number.

1011012112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011012112020 is an abundant number, since it is smaller than the sum of its proper divisors (1819821801804).

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

1011012112020 is a wasteful number, since it uses less digits than its factorization.

1011012112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16850201879 (or 16850201877 counting only the distinct ones).

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

Adding to 1011012112020 its reverse (202112101101), we get a palindrome (1213124213121).

The spelling of 1011012112020 in words is "one trillion, eleven billion, twelve million, one hundred twelve thousand, twenty".