102112220212222 has 24 divisors (see below), whose sum is σ = 168588262527048. Its totient is φ = 46351323989520.

The previous prime is 102112220212213. The next prime is 102112220212253. The reversal of 102112220212222 is 222212022211201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 102112220212193 and 102112220212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287647528 + ... + 288002299.

It is an arithmetic number, because the mean of its divisors is an integer number (7024510938627).

Almost surely, 2^{102112220212222} is an apocalyptic number.

102112220212222 is a deficient number, since it is larger than the sum of its proper divisors (66476042314826).

102112220212222 is a wasteful number, since it uses less digits than its factorization.

102112220212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575650584 (or 575650573 counting only the distinct ones).

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

Adding to 102112220212222 its reverse (222212022211201), we get a palindrome (324324242423423).

The spelling of 102112220212222 in words is "one hundred two trillion, one hundred twelve billion, two hundred twenty million, two hundred twelve thousand, two hundred twenty-two".