1012102021110 has 64 divisors (see below), whose sum is σ = 2439906416640. Its totient is φ = 268687681920.

The previous prime is 1012102021103. The next prime is 1012102021111. The reversal of 1012102021110 is 111202012101.

It is a super-2 number, since 2×1012102021110² (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 (1012102021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27679440 + ... + 27715980.

It is an arithmetic number, because the mean of its divisors is an integer number (38123537760).

Almost surely, 2^{1012102021110} is an apocalyptic number.

1012102021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012102021110 is an abundant number, since it is smaller than the sum of its proper divisors (1427804395530).

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

1012102021110 is a wasteful number, since it uses less digits than its factorization.

1012102021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40653.

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

Adding to 1012102021110 its reverse (111202012101), we get a palindrome (1123304033211).

Subtracting from 1012102021110 its reverse (111202012101), we obtain a palindrome (900900009009).

The spelling of 1012102021110 in words is "one trillion, twelve billion, one hundred two million, twenty-one thousand, one hundred ten".