102212101122220 has 24 divisors (see below), whose sum is σ = 216858251663424. Its totient is φ = 40463347247616.

The previous prime is 102212101122167. The next prime is 102212101122239. The reversal of 102212101122220 is 22221101212201.

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, 26343323092 + ... + 26343326971.

It is an arithmetic number, because the mean of its divisors is an integer number (9035760485976).

Almost surely, 2^{102212101122220} is an apocalyptic number.

102212101122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102212101122220 is an abundant number, since it is smaller than the sum of its proper divisors (114646150541204).

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

102212101122220 is a wasteful number, since it uses less digits than its factorization.

102212101122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52686650169 (or 52686650167 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102212101122220 its reverse (22221101212201), we get a palindrome (124433202334421).

The spelling of 102212101122220 in words is "one hundred two trillion, two hundred twelve billion, one hundred one million, one hundred twenty-two thousand, two hundred twenty".