22121110421433 has 32 divisors (see below), whose sum is σ = 33833465733120. Its totient is φ = 14269874930640.

The previous prime is 22121110421413. The next prime is 22121110421453. The reversal of 22121110421433 is 33412401112122.

22121110421433 is a `hidden beast` number, since 2 + 2 + 1 + 211 + 10 + 4 + 2 + 1 + 433 = 666.

It is an interprime number because it is at equal distance from previous prime (22121110421413) and next prime (22121110421453).

It is not a de Polignac number, because 22121110421433 - 2⁹ = 22121110420921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22121110421397 and 22121110421406.

It is not an unprimeable number, because it can be changed into a prime (22121110421413) 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, 4946916 + ... + 8289402.

It is an arithmetic number, because the mean of its divisors is an integer number (1057295804160).

Almost surely, 2^{22121110421433} is an apocalyptic number.

It is an amenable number.

22121110421433 is a deficient number, since it is larger than the sum of its proper divisors (11712355311687).

22121110421433 is a wasteful number, since it uses less digits than its factorization.

22121110421433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350434 (or 3350428 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 22121110421433 its reverse (33412401112122), we get a palindrome (55533511533555).

The spelling of 22121110421433 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred ten million, four hundred twenty-one thousand, four hundred thirty-three".