102220223118 has 16 divisors (see below), whose sum is σ = 220166634576. Its totient is φ = 31452376320.

The previous prime is 102220223111. The next prime is 102220223129. The reversal of 102220223118 is 811322022201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220223111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655257763 + ... + 655257918.

It is an arithmetic number, because the mean of its divisors is an integer number (13760414661).

Almost surely, 2^102220223118 is an apocalyptic number.

102220223118 is an abundant number, since it is smaller than the sum of its proper divisors (117946411458).

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

102220223118 is a wasteful number, since it uses less digits than its factorization.

102220223118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310515699.

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

Adding to 102220223118 its reverse (811322022201), we get a palindrome (913542245319).

The spelling of 102220223118 in words is "one hundred two billion, two hundred twenty million, two hundred twenty-three thousand, one hundred eighteen".