102220022200123 has 4 divisors (see below), whose sum is σ = 102791083776840. Its totient is φ = 101648960623408.

The previous prime is 102220022200099. The next prime is 102220022200229. The reversal of 102220022200123 is 321002220022201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102220022200123 - 2⁵ = 102220022200091 is a prime.

It is a super-2 number, since 2×102220022200123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102220022200123.

It is not an unprimeable number, because it can be changed into a prime (102220022200523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285530788090 + ... + 285530788447.

It is an arithmetic number, because the mean of its divisors is an integer number (25697770944210).

Almost surely, 2^{102220022200123} is an apocalyptic number.

102220022200123 is a deficient number, since it is larger than the sum of its proper divisors (571061576717).

102220022200123 is an equidigital number, since it uses as much as digits as its factorization.

102220022200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571061576716.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 102220022200123 its reverse (321002220022201), we get a palindrome (423222242222324).

The spelling of 102220022200123 in words is "one hundred two trillion, two hundred twenty billion, twenty-two million, two hundred thousand, one hundred twenty-three".