102213221123 has 32 divisors (see below), whose sum is σ = 123302592000. Its totient is φ = 83703476736.

The previous prime is 102213221107. The next prime is 102213221129. The reversal of 102213221123 is 321122312201.

It is not a de Polignac number, because 102213221123 - 2⁴ = 102213221107 is a prime.

It is a super-2 number, since 2×102213221123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102213221095 and 102213221104.

It is not an unprimeable number, because it can be changed into a prime (102213221129) 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, 774440 + ... + 896762.

It is an arithmetic number, because the mean of its divisors is an integer number (3853206000).

Almost surely, 2^102213221123 is an apocalyptic number.

102213221123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102213221123 is a deficient number, since it is larger than the sum of its proper divisors (21089370877).

102213221123 is a wasteful number, since it uses less digits than its factorization.

102213221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122571.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102213221123 its reverse (321122312201), we get a palindrome (423335533324).

The spelling of 102213221123 in words is "one hundred two billion, two hundred thirteen million, two hundred twenty-one thousand, one hundred twenty-three".