102201210100122 has 64 divisors (see below), whose sum is σ = 240138055102464. Its totient is φ = 28394702340480.

The previous prime is 102201210100103. The next prime is 102201210100151. The reversal of 102201210100122 is 221001012102201.

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, 234526878 + ... + 234962249.

It is an arithmetic number, because the mean of its divisors is an integer number (3752157110976).

Almost surely, 2^{102201210100122} is an apocalyptic number.

102201210100122 is an abundant number, since it is smaller than the sum of its proper divisors (137936845002342).

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

102201210100122 is a wasteful number, since it uses less digits than its factorization.

102201210100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469489283.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102201210100122 its reverse (221001012102201), we get a palindrome (323202222202323).

The spelling of 102201210100122 in words is "one hundred two trillion, two hundred one billion, two hundred ten million, one hundred thousand, one hundred twenty-two".