421221101122124 has 12 divisors (see below), whose sum is σ = 737137097973024. Its totient is φ = 210610501701264.

The previous prime is 421221101122103. The next prime is 421221101122201.

421221101122124 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×421221101122124² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421221101122093 and 421221101122102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12936734 + ... + 31777370.

It is an arithmetic number, because the mean of its divisors is an integer number (61428091497752).

Almost surely, 2^{421221101122124} is an apocalyptic number.

It is an amenable number.

421221101122124 is a deficient number, since it is larger than the sum of its proper divisors (315915996850900).

421221101122124 is a wasteful number, since it uses less digits than its factorization.

421221101122124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24429904 (or 24429902 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

It can be divided in two parts, 42122110 and 1122124, that added together give a palindrome (43244234).

The spelling of 421221101122124 in words is "four hundred twenty-one trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty-two thousand, one hundred twenty-four".