42221043010131 has 4 divisors (see below), whose sum is σ = 56294724013512. Its totient is φ = 28147362006752.

The previous prime is 42221043010127. The next prime is 42221043010183. The reversal of 42221043010131 is 13101034012224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42221043010131 - 2² = 42221043010127 is a prime.

It is a super-2 number, since 2×42221043010131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42221043010631) 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, 7036840501686 + ... + 7036840501691.

It is an arithmetic number, because the mean of its divisors is an integer number (14073681003378).

Almost surely, 2^{42221043010131} is an apocalyptic number.

42221043010131 is a deficient number, since it is larger than the sum of its proper divisors (14073681003381).

42221043010131 is a wasteful number, since it uses less digits than its factorization.

42221043010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14073681003380.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 42221043010131 its reverse (13101034012224), we get a palindrome (55322077022355).

The spelling of 42221043010131 in words is "forty-two trillion, two hundred twenty-one billion, forty-three million, ten thousand, one hundred thirty-one".