101022421123 has 8 divisors (see below), whose sum is σ = 109914959168. Its totient is φ = 92290109184.

The previous prime is 101022421111. The next prime is 101022421147. The reversal of 101022421123 is 321124220101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101022421123 - 2²⁵ = 100988866691 is a prime.

It is a super-2 number, since 2×101022421123² (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 101022421123.

It is not an unprimeable number, because it can be changed into a prime (101022425123) 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, 40055211 + ... + 40057732.

It is an arithmetic number, because the mean of its divisors is an integer number (13739369896).

Almost surely, 2^101022421123 is an apocalyptic number.

101022421123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101022421123 is a deficient number, since it is larger than the sum of its proper divisors (8892538045).

101022421123 is an equidigital number, since it uses as much as digits as its factorization.

101022421123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80113053.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101022421123 its reverse (321124220101), we get a palindrome (422146641224).

The spelling of 101022421123 in words is "one hundred one billion, twenty-two million, four hundred twenty-one thousand, one hundred twenty-three".