102220132123 has 4 divisors (see below), whose sum is σ = 102222139320. Its totient is φ = 102218124928.

The previous prime is 102220132081. The next prime is 102220132129. The reversal of 102220132123 is 321231022201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102220132123 is a prime.

It is a super-2 number, since 2×102220132123² (a number of 23 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 102220132123.

It is not an unprimeable number, because it can be changed into a prime (102220132129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925165 + ... + 1029742.

It is an arithmetic number, because the mean of its divisors is an integer number (25555534830).

Almost surely, 2^102220132123 is an apocalyptic number.

102220132123 is a deficient number, since it is larger than the sum of its proper divisors (2007197).

102220132123 is an equidigital number, since it uses as much as digits as its factorization.

102220132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007196.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102220132123 its reverse (321231022201), we get a palindrome (423451154324).

The spelling of 102220132123 in words is "one hundred two billion, two hundred twenty million, one hundred thirty-two thousand, one hundred twenty-three".