102222212102020 has 24 divisors (see below), whose sum is σ = 215907493082904. Its totient is φ = 40652532903936.

The previous prime is 102222212102009. The next prime is 102222212102047. The reversal of 102222212102020 is 20201212222201.

It can be written as a sum of positive squares in 4 ways, for example, as 52945967854404 + 49276244247616 = 7276398^2 + 7019704^2 .

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, 14771992509 + ... + 14771999428.

It is an arithmetic number, because the mean of its divisors is an integer number (8996145545121).

Almost surely, 2^{102222212102020} is an apocalyptic number.

102222212102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222212102020 is an abundant number, since it is smaller than the sum of its proper divisors (113685280980884).

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

102222212102020 is a wasteful number, since it uses less digits than its factorization.

102222212102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29543992119 (or 29543992117 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102222212102020 its reverse (20201212222201), we get a palindrome (122423424324221).

The spelling of 102222212102020 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twelve million, one hundred two thousand, twenty".