102222220102212 has 72 divisors (see below), whose sum is σ = 282695412013056. Its totient is φ = 28655285410752.

The previous prime is 102222220102207. The next prime is 102222220102237. The reversal of 102222220102212 is 212201022222201.

It is a super-2 number, since 2×102222220102212² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1640037828 + ... + 1640100155.

It is an arithmetic number, because the mean of its divisors is an integer number (3926325166848).

Almost surely, 2^{102222220102212} is an apocalyptic number.

102222220102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102222220102212 is an abundant number, since it is smaller than the sum of its proper divisors (180473191910844).

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

102222220102212 is a wasteful number, since it uses less digits than its factorization.

102222220102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280138057 (or 3280138048 counting only the distinct ones).

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

Adding to 102222220102212 its reverse (212201022222201), we get a palindrome (314423242324413).

The spelling of 102222220102212 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twenty million, one hundred two thousand, two hundred twelve".