105422002544021 has 8 divisors (see below), whose sum is σ = 105895126686720. Its totient is φ = 104948881792272.

The previous prime is 105422002544011. The next prime is 105422002544029. The reversal of 105422002544021 is 120445200224501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105422002544021 is a prime.

It is a super-2 number, since 2×105422002544021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105422002544029) 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, 77806271 + ... + 79149603.

It is an arithmetic number, because the mean of its divisors is an integer number (13236890835840).

Almost surely, 2^{105422002544021} is an apocalyptic number.

It is an amenable number.

105422002544021 is a deficient number, since it is larger than the sum of its proper divisors (473124142699).

105422002544021 is a wasteful number, since it uses less digits than its factorization.

105422002544021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695475.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 105422002544021 its reverse (120445200224501), we get a palindrome (225867202768522).

The spelling of 105422002544021 in words is "one hundred five trillion, four hundred twenty-two billion, two million, five hundred forty-four thousand, twenty-one".