22521112120433 has 4 divisors (see below), whose sum is σ = 22521122415600. Its totient is φ = 22521101825268.

The previous prime is 22521112120387. The next prime is 22521112120453. The reversal of 22521112120433 is 33402121112522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22521112120433 - 2²² = 22521107926129 is a prime.

It is a super-2 number, since 2×22521112120433² (a number of 28 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 = 22521112120396 and 22521112120405.

It is not an unprimeable number, because it can be changed into a prime (22521112120453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417383 + ... + 6724316.

It is an arithmetic number, because the mean of its divisors is an integer number (5630280603900).

Almost surely, 2^{22521112120433} is an apocalyptic number.

It is an amenable number.

22521112120433 is a deficient number, since it is larger than the sum of its proper divisors (10295167).

22521112120433 is an equidigital number, since it uses as much as digits as its factorization.

22521112120433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10295166.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 22521112120433 its reverse (33402121112522), we get a palindrome (55923233232955).

The spelling of 22521112120433 in words is "twenty-two trillion, five hundred twenty-one billion, one hundred twelve million, one hundred twenty thousand, four hundred thirty-three".