102222201123 has 40 divisors (see below), whose sum is σ = 180534768480. Its totient is φ = 56398446720.

The previous prime is 102222201091. The next prime is 102222201143. The reversal of 102222201123 is 321102222201.

It is not a de Polignac number, because 102222201123 - 2⁵ = 102222201091 is a prime.

It is a super-2 number, since 2×102222201123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102222201096 and 102222201105.

It is not an unprimeable number, because it can be changed into a prime (102222201143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3091938 + ... + 3124823.

It is an arithmetic number, because the mean of its divisors is an integer number (4513369212).

Almost surely, 2^102222201123 is an apocalyptic number.

102222201123 is a deficient number, since it is larger than the sum of its proper divisors (78312567357).

102222201123 is an equidigital number, since it uses as much as digits as its factorization.

102222201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216809 (or 6216800 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102222201123 its reverse (321102222201), we get a palindrome (423324423324).

The spelling of 102222201123 in words is "one hundred two billion, two hundred twenty-two million, two hundred one thousand, one hundred twenty-three".