102021102121010 has 64 divisors (see below), whose sum is σ = 187315948448640. Its totient is φ = 39995337768960.

The previous prime is 102021102120967. The next prime is 102021102121033. The reversal of 102021102121010 is 10121201120201.

It is a super-2 number, since 2×102021102121010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1572498692 + ... + 1572563568.

It is an arithmetic number, because the mean of its divisors is an integer number (2926811694510).

Almost surely, 2^{102021102121010} is an apocalyptic number.

102021102121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102021102121010 is a deficient number, since it is larger than the sum of its proper divisors (85294846327630).

102021102121010 is a wasteful number, since it uses less digits than its factorization.

102021102121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72971.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102021102121010 its reverse (10121201120201), we get a palindrome (112142303241211).

The spelling of 102021102121010 in words is "one hundred two trillion, twenty-one billion, one hundred two million, one hundred twenty-one thousand, ten".