102111222123222 has 64 divisors (see below), whose sum is σ = 220218560184000. Its totient is φ = 31377900331008.

The previous prime is 102111222123187. The next prime is 102111222123227. The reversal of 102111222123222 is 222321222111201.

It is a super-2 number, since 2×102111222123222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102111222123192 and 102111222123201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111222123227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253927854 + ... + 254329662.

It is an arithmetic number, because the mean of its divisors is an integer number (3440915002875).

Almost surely, 2^{102111222123222} is an apocalyptic number.

102111222123222 is an abundant number, since it is smaller than the sum of its proper divisors (118107338060778).

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

102111222123222 is a wasteful number, since it uses less digits than its factorization.

102111222123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406065.

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

Adding to 102111222123222 its reverse (222321222111201), we get a palindrome (324432444234423).

The spelling of 102111222123222 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty-two million, one hundred twenty-three thousand, two hundred twenty-two".