22012212113 has 8 divisors (see below), whose sum is σ = 22870698600. Its totient is φ = 21160355328.

The previous prime is 22012212107. The next prime is 22012212151. The reversal of 22012212113 is 31121221022.

It can be written as a sum of positive squares in 4 ways, for example, as 12820579984 + 9191632129 = 113228^2 + 95873^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22012212113 - 2¹⁴ = 22012195729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22012212091 and 22012212100.

It is not an unprimeable number, because it can be changed into a prime (22012212193) 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, 1650656 + ... + 1663937.

It is an arithmetic number, because the mean of its divisors is an integer number (2858837325).

Almost surely, 2^22012212113 is an apocalyptic number.

It is an amenable number.

22012212113 is a deficient number, since it is larger than the sum of its proper divisors (858486487).

22012212113 is a wasteful number, since it uses less digits than its factorization.

22012212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314851.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22012212113 its reverse (31121221022), we get a palindrome (53133433135).

The spelling of 22012212113 in words is "twenty-two billion, twelve million, two hundred twelve thousand, one hundred thirteen".