102221021200102 has 12 divisors (see below), whose sum is σ = 178365251277900. Its totient is φ = 43809009085716.

The previous prime is 102221021200031. The next prime is 102221021200141. The reversal of 102221021200102 is 201002120122201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 521535822352 + ... + 521535822547.

It is an arithmetic number, because the mean of its divisors is an integer number (14863770939825).

Almost surely, 2^{102221021200102} is an apocalyptic number.

102221021200102 is a deficient number, since it is larger than the sum of its proper divisors (76144230077798).

102221021200102 is a wasteful number, since it uses less digits than its factorization.

102221021200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043071644915 (or 1043071644908 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102221021200102 its reverse (201002120122201), we get a palindrome (303223141322303).

The spelling of 102221021200102 in words is "one hundred two trillion, two hundred twenty-one billion, twenty-one million, two hundred thousand, one hundred two".