102222123212220 has 96 divisors (see below), whose sum is σ = 312305454026496. Its totient is φ = 24776094412800.

The previous prime is 102222123212201. The next prime is 102222123212227. The reversal of 102222123212220 is 22212321222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222123212227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12450469 + ... + 18959388.

It is an arithmetic number, because the mean of its divisors is an integer number (3253181812776).

Almost surely, 2^{102222123212220} is an apocalyptic number.

102222123212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222123212220 is an abundant number, since it is smaller than the sum of its proper divisors (210083330814276).

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

102222123212220 is a wasteful number, since it uses less digits than its factorization.

102222123212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31414811 (or 31414809 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102222123212220 its reverse (22212321222201), we get a palindrome (124434444434421).

The spelling of 102222123212220 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred twenty-three million, two hundred twelve thousand, two hundred twenty".