102110221111220 has 24 divisors (see below), whose sum is σ = 245064530667264. Its totient is φ = 35009218666656.

The previous prime is 102110221111219. The next prime is 102110221111289. The reversal of 102110221111220 is 22111122011201.

It is a congruent number.

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, 364679360972 + ... + 364679361251.

It is an arithmetic number, because the mean of its divisors is an integer number (10211022111136).

Almost surely, 2^{102110221111220} is an apocalyptic number.

102110221111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102110221111220 is an abundant number, since it is smaller than the sum of its proper divisors (142954309556044).

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

102110221111220 is a wasteful number, since it uses less digits than its factorization.

102110221111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729358722239 (or 729358722237 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102110221111220 its reverse (22111122011201), we get a palindrome (124221343122421).

The spelling of 102110221111220 in words is "one hundred two trillion, one hundred ten billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty".