102021120100002 has 32 divisors (see below), whose sum is σ = 204069572489664. Its totient is φ = 34002485004800.

The previous prime is 102021120099961. The next prime is 102021120100007. The reversal of 102021120100002 is 200001021120201.

It is not an unprimeable number, because it can be changed into a prime (102021120100007) 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, 2098700677 + ... + 2098749287.

It is an arithmetic number, because the mean of its divisors is an integer number (6377174140302).

Almost surely, 2^{102021120100002} is an apocalyptic number.

102021120100002 is an abundant number, since it is smaller than the sum of its proper divisors (102048452389662).

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

102021120100002 is a wasteful number, since it uses less digits than its factorization.

102021120100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88274.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102021120100002 its reverse (200001021120201), we get a palindrome (302022141220203).

The spelling of 102021120100002 in words is "one hundred two trillion, twenty-one billion, one hundred twenty million, one hundred thousand, two".