102100012202220 has 96 divisors (see below), whose sum is σ = 290135947265472. Its totient is φ = 26822219378688.

The previous prime is 102100012202219. The next prime is 102100012202261. The reversal of 102100012202220 is 22202210001201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102100012202220.

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, 9927697 + ... + 17399976.

It is an arithmetic number, because the mean of its divisors is an integer number (3022249450682).

Almost surely, 2^{102100012202220} is an apocalyptic number.

102100012202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102100012202220 is an abundant number, since it is smaller than the sum of its proper divisors (188035935063252).

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

102100012202220 is a wasteful number, since it uses less digits than its factorization.

102100012202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27328611 (or 27328609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102100012202220 its reverse (22202210001201), we get a palindrome (124302222203421).

The spelling of 102100012202220 in words is "one hundred two trillion, one hundred billion, twelve million, two hundred two thousand, two hundred twenty".