102100122210020 has 24 divisors (see below), whose sum is σ = 233902098154368. Its totient is φ = 37127317167200.

The previous prime is 102100122210007. The next prime is 102100122210043. The reversal of 102100122210020 is 20012221001201.

It is a junction number, because it is equal to n+sod(n) for n = 102100122209977 and 102100122210004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232045732076 + ... + 232045732515.

It is an arithmetic number, because the mean of its divisors is an integer number (9745920756432).

Almost surely, 2^{102100122210020} is an apocalyptic number.

102100122210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102100122210020 is an abundant number, since it is smaller than the sum of its proper divisors (131801975944348).

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

102100122210020 is a wasteful number, since it uses less digits than its factorization.

102100122210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464091464611 (or 464091464609 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102100122210020 its reverse (20012221001201), we get a palindrome (122112343211221).

The spelling of 102100122210020 in words is "one hundred two trillion, one hundred billion, one hundred twenty-two million, two hundred ten thousand, twenty".