102100211020122 has 32 divisors (see below), whose sum is σ = 239679259850112. Its totient is φ = 28383070244544.

The previous prime is 102100211020097. The next prime is 102100211020187. The reversal of 102100211020122 is 221020112001201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32850774193 + ... + 32850777300.

It is an arithmetic number, because the mean of its divisors is an integer number (7489976870316).

Almost surely, 2^{102100211020122} is an apocalyptic number.

102100211020122 is an abundant number, since it is smaller than the sum of its proper divisors (137579048829990).

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

102100211020122 is a wasteful number, since it uses less digits than its factorization.

102100211020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65701551542.

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

Adding to 102100211020122 its reverse (221020112001201), we get a palindrome (323120323021323).

The spelling of 102100211020122 in words is "one hundred two trillion, one hundred billion, two hundred eleven million, twenty thousand, one hundred twenty-two".