102222221201220 has 96 divisors (see below), whose sum is σ = 291792103747200. Its totient is φ = 26729391569920.

The previous prime is 102222221201189. The next prime is 102222221201249. The reversal of 102222221201220 is 22102122222201.

It is a super-2 number, since 2×102222221201220² (a number of 29 digits) contains 22 as substring.

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, 3866370 + ... + 14811929.

It is an arithmetic number, because the mean of its divisors is an integer number (3039501080700).

Almost surely, 2^{102222221201220} is an apocalyptic number.

102222221201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222221201220 is an abundant number, since it is smaller than the sum of its proper divisors (189569882545980).

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

102222221201220 is a wasteful number, since it uses less digits than its factorization.

102222221201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18680085 (or 18680083 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102222221201220 its reverse (22102122222201), we get a palindrome (124324343423421).

The spelling of 102222221201220 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred one thousand, two hundred twenty".