102220111212222 has 32 divisors (see below), whose sum is σ = 216881599965984. Its totient is φ = 32007501593600.

The previous prime is 102220111212217. The next prime is 102220111212281. The reversal of 102220111212222 is 222212111022201.

It is a super-2 number, since 2×102220111212222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 961710729 + ... + 961817012.

It is an arithmetic number, because the mean of its divisors is an integer number (6777549998937).

Almost surely, 2^{102220111212222} is an apocalyptic number.

102220111212222 is an abundant number, since it is smaller than the sum of its proper divisors (114661488753762).

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

102220111212222 is a wasteful number, since it uses less digits than its factorization.

102220111212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923528284.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 102220111212222 its reverse (222212111022201), we get a palindrome (324432222234423).

The spelling of 102220111212222 in words is "one hundred two trillion, two hundred twenty billion, one hundred eleven million, two hundred twelve thousand, two hundred twenty-two".