1021012113102 has 32 divisors (see below), whose sum is σ = 2043932229792. Its totient is φ = 340019526144.

The previous prime is 1021012113101. The next prime is 1021012113131. The reversal of 1021012113102 is 2013112101201.

It is a super-2 number, since 2×1021012113102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021012113101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29614258 + ... + 29648714.

It is an arithmetic number, because the mean of its divisors is an integer number (63872882181).

Almost surely, 2^{1021012113102} is an apocalyptic number.

1021012113102 is an abundant number, since it is smaller than the sum of its proper divisors (1022920116690).

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

1021012113102 is a wasteful number, since it uses less digits than its factorization.

1021012113102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38932.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1021012113102 its reverse (2013112101201), we get a palindrome (3034124214303).

The spelling of 1021012113102 in words is "one trillion, twenty-one billion, twelve million, one hundred thirteen thousand, one hundred two".