22002200121123 has 6 divisors (see below), whose sum is σ = 31780955730524. Its totient is φ = 14668133414076.

The previous prime is 22002200121103. The next prime is 22002200121149. The reversal of 22002200121123 is 32112100220022.

22002200121123 is a `hidden beast` number, since 2 + 200 + 220 + 0 + 121 + 123 = 666.

It is not a de Polignac number, because 22002200121123 - 2¹⁴ = 22002200104739 is a prime.

It is a super-2 number, since 2×22002200121123² (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 = 22002200121096 and 22002200121105.

It is not an unprimeable number, because it can be changed into a prime (22002200121103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1222344451165 + ... + 1222344451182.

Almost surely, 2^{22002200121123} is an apocalyptic number.

22002200121123 is a deficient number, since it is larger than the sum of its proper divisors (9778755609401).

22002200121123 is a wasteful number, since it uses less digits than its factorization.

22002200121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444688902353 (or 2444688902350 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22002200121123 its reverse (32112100220022), we get a palindrome (54114300341145).

The spelling of 22002200121123 in words is "twenty-two trillion, two billion, two hundred million, one hundred twenty-one thousand, one hundred twenty-three".