22220112213123 has 32 divisors (see below), whose sum is σ = 32412791734272. Its totient is φ = 13428157360800.

The previous prime is 22220112213107. The next prime is 22220112213139. The reversal of 22220112213123 is 32131221102222.

It is an interprime number because it is at equal distance from previous prime (22220112213107) and next prime (22220112213139).

It is not a de Polignac number, because 22220112213123 - 2⁴ = 22220112213107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22220112213093 and 22220112213102.

It is not an unprimeable number, because it can be changed into a prime (22220112211123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49917328 + ... + 50360498.

It is an arithmetic number, because the mean of its divisors is an integer number (1012899741696).

Almost surely, 2^{22220112213123} is an apocalyptic number.

22220112213123 is a deficient number, since it is larger than the sum of its proper divisors (10192679521149).

22220112213123 is a wasteful number, since it uses less digits than its factorization.

22220112213123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447535.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 22220112213123 its reverse (32131221102222), we get a palindrome (54351333315345).

The spelling of 22220112213123 in words is "twenty-two trillion, two hundred twenty billion, one hundred twelve million, two hundred thirteen thousand, one hundred twenty-three".