102100120021122 has 32 divisors (see below), whose sum is σ = 204478228120320. Its totient is φ = 33987069091200.

The previous prime is 102100120021121. The next prime is 102100120021169. The reversal of 102100120021122 is 221120021001201.

It is a super-2 number, since 2×102100120021122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102100120021121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11693878 + ... + 18464750.

It is an arithmetic number, because the mean of its divisors is an integer number (6389944628760).

Almost surely, 2^{102100120021122} is an apocalyptic number.

102100120021122 is an abundant number, since it is smaller than the sum of its proper divisors (102378108099198).

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

102100120021122 is a wasteful number, since it uses less digits than its factorization.

102100120021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774298.

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

Adding to 102100120021122 its reverse (221120021001201), we get a palindrome (323220141022323).

The spelling of 102100120021122 in words is "one hundred two trillion, one hundred billion, one hundred twenty million, twenty-one thousand, one hundred twenty-two".