22312121544355 has 16 divisors (see below), whose sum is σ = 28211336647200. Its totient is φ = 16893676984320.

The previous prime is 22312121544337. The next prime is 22312121544413. The reversal of 22312121544355 is 55344512121322.

It is not a de Polignac number, because 22312121544355 - 2¹⁵ = 22312121511587 is a prime.

It is a super-3 number, since 3×22312121544355³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114919870 + ... + 115113859.

It is an arithmetic number, because the mean of its divisors is an integer number (1763208540450).

Almost surely, 2^{22312121544355} is an apocalyptic number.

22312121544355 is a deficient number, since it is larger than the sum of its proper divisors (5899215102845).

22312121544355 is a wasteful number, since it uses less digits than its factorization.

22312121544355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230034774.

The product of its digits is 288000, while the sum is 40.

Adding to 22312121544355 its reverse (55344512121322), we get a palindrome (77656633665677).

The spelling of 22312121544355 in words is "twenty-two trillion, three hundred twelve billion, one hundred twenty-one million, five hundred forty-four thousand, three hundred fifty-five".