102221012020002 has 128 divisors (see below), whose sum is σ = 212886168219648. Its totient is φ = 32696080435200.

The previous prime is 102221012019991. The next prime is 102221012020019. The reversal of 102221012020002 is 200020210122201.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 20580028123 + ... + 20580033089.

It is an arithmetic number, because the mean of its divisors is an integer number (1663173189216).

Almost surely, 2^{102221012020002} is an apocalyptic number.

102221012020002 is an abundant number, since it is smaller than the sum of its proper divisors (110665156199646).

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

102221012020002 is a wasteful number, since it uses less digits than its factorization.

102221012020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102221012020002 its reverse (200020210122201), we get a palindrome (302241222142203).

The spelling of 102221012020002 in words is "one hundred two trillion, two hundred twenty-one billion, twelve million, twenty thousand, two".