102111122223222 has 64 divisors (see below), whose sum is σ = 247271534092800. Its totient is φ = 27442291170816.

The previous prime is 102111122223203. The next prime is 102111122223223. The reversal of 102111122223222 is 222322221111201.

It is a super-2 number, since 2×102111122223222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102111122223192 and 102111122223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111122223223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40874253 + ... + 43300424.

It is an arithmetic number, because the mean of its divisors is an integer number (3863617720200).

Almost surely, 2^{102111122223222} is an apocalyptic number.

102111122223222 is an abundant number, since it is smaller than the sum of its proper divisors (145160411869578).

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

102111122223222 is a wasteful number, since it uses less digits than its factorization.

102111122223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84176405.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 102111122223222 its reverse (222322221111201), we get a palindrome (324433343334423).

The spelling of 102111122223222 in words is "one hundred two trillion, one hundred eleven billion, one hundred twenty-two million, two hundred twenty-three thousand, two hundred twenty-two".