102220121222212 has 48 divisors (see below), whose sum is σ = 206333950789120. Its totient is φ = 43402899295872.

The previous prime is 102220121222057. The next prime is 102220121222279. The reversal of 102220121222212 is 212222121022201.

It is a super-2 number, since 2×102220121222212² (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 15 ways as a sum of consecutive naturals, for example, 33441493 + ... + 36369955.

Almost surely, 2^{102220121222212} is an apocalyptic number.

It is an amenable number.

102220121222212 is an abundant number, since it is smaller than the sum of its proper divisors (104113829566908).

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

102220121222212 is a wasteful number, since it uses less digits than its factorization.

102220121222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940020 (or 2940018 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 102220121222212 its reverse (212222121022201), we get a palindrome (314442242244413).

The spelling of 102220121222212 in words is "one hundred two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred twelve".