10123320221021 has 8 divisors (see below), whose sum is σ = 11613499353984. Its totient is φ = 8644138720560.

The previous prime is 10123320220991. The next prime is 10123320221041. The reversal of 10123320221021 is 12012202332101.

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

It is not a de Polignac number, because 10123320221021 - 2³⁸ = 9848442314077 is a prime.

It is a super-2 number, since 2×10123320221021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10123320220984 and 10123320221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123320221041) 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, 2749406150 + ... + 2749409831.

It is an arithmetic number, because the mean of its divisors is an integer number (1451687419248).

Almost surely, 2^{10123320221021} is an apocalyptic number.

It is an amenable number.

10123320221021 is a deficient number, since it is larger than the sum of its proper divisors (1490179132963).

10123320221021 is an equidigital number, since it uses as much as digits as its factorization.

10123320221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498816251.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10123320221021 its reverse (12012202332101), we get a palindrome (22135522553122).

The spelling of 10123320221021 in words is "ten trillion, one hundred twenty-three billion, three hundred twenty million, two hundred twenty-one thousand, twenty-one".