1021010021112 has 16 divisors (see below), whose sum is σ = 2552525052840. Its totient is φ = 340336673696.

The previous prime is 1021010021107. The next prime is 1021010021131. The reversal of 1021010021112 is 2111200101201.

It is a super-2 number, since 2×1021010021112² (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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21271042083 + ... + 21271042130.

Almost surely, 2^{1021010021112} is an apocalyptic number.

1021010021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021010021112 is an abundant number, since it is smaller than the sum of its proper divisors (1531515031728).

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

1021010021112 is a wasteful number, since it uses less digits than its factorization.

1021010021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42542084222 (or 42542084218 counting only the distinct ones).

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

Adding to 1021010021112 its reverse (2111200101201), we get a palindrome (3132210122313).

The spelling of 1021010021112 in words is "one trillion, twenty-one billion, ten million, twenty-one thousand, one hundred twelve".