22145002051123 has 4 divisors (see below), whose sum is σ = 25308573772720. Its totient is φ = 18981430329528.

The previous prime is 22145002051103. The next prime is 22145002051163. The reversal of 22145002051123 is 32115020054122.

It is a happy number.

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 22145002051123 - 2²⁵ = 22144968496691 is a prime.

It is a super-2 number, since 2×22145002051123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22145002051091 and 22145002051100.

It is not an unprimeable number, because it can be changed into a prime (22145002051103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581785860788 + ... + 1581785860801.

It is an arithmetic number, because the mean of its divisors is an integer number (6327143443180).

Almost surely, 2^{22145002051123} is an apocalyptic number.

22145002051123 is a deficient number, since it is larger than the sum of its proper divisors (3163571721597).

22145002051123 is an equidigital number, since it uses as much as digits as its factorization.

22145002051123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163571721596.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 22145002051123 in words is "twenty-two trillion, one hundred forty-five billion, two million, fifty-one thousand, one hundred twenty-three".