42213122131191 has 32 divisors (see below), whose sum is σ = 62466066432000. Its totient is φ = 25141715760480.

The previous prime is 42213122131163. The next prime is 42213122131217. The reversal of 42213122131191 is 19113122131224.

It is not a de Polignac number, because 42213122131191 - 2⁹ = 42213122130679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42213122131091) 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, 21856791 + ... + 23709608.

It is an arithmetic number, because the mean of its divisors is an integer number (1952064576000).

Almost surely, 2^{42213122131191} is an apocalyptic number.

42213122131191 is a deficient number, since it is larger than the sum of its proper divisors (20252944300809).

42213122131191 is a wasteful number, since it uses less digits than its factorization.

42213122131191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45566899.

The product of its digits is 5184, while the sum is 33.

Adding to 42213122131191 its sum of digits (33), we get a palindrome (42213122131224).

The spelling of 42213122131191 in words is "forty-two trillion, two hundred thirteen billion, one hundred twenty-two million, one hundred thirty-one thousand, one hundred ninety-one".