102213120213021 has 16 divisors (see below), whose sum is σ = 138226354519680. Its totient is φ = 67171298288640.

The previous prime is 102213120213013. The next prime is 102213120213067. The reversal of 102213120213021 is 120312021312201.

It is not a de Polignac number, because 102213120213021 - 2³ = 102213120213013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102213120213121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38108020 + ... + 40701933.

It is an arithmetic number, because the mean of its divisors is an integer number (8639147157480).

Almost surely, 2^{102213120213021} is an apocalyptic number.

It is an amenable number.

102213120213021 is a deficient number, since it is larger than the sum of its proper divisors (36013234306659).

102213120213021 is an equidigital number, since it uses as much as digits as its factorization.

102213120213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78816116.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 102213120213021 its reverse (120312021312201), we get a palindrome (222525141525222).

The spelling of 102213120213021 in words is "one hundred two trillion, two hundred thirteen billion, one hundred twenty million, two hundred thirteen thousand, twenty-one".