42221031031015 has 8 divisors (see below), whose sum is σ = 50798918604240. Its totient is φ = 33687703913472.

The previous prime is 42221031031007. The next prime is 42221031031043. The reversal of 42221031031015 is 51013013012224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42221031031015 - 2³ = 42221031031007 is a prime.

It is a super-2 number, since 2×42221031031015² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11140111834 + ... + 11140115623.

It is an arithmetic number, because the mean of its divisors is an integer number (6349864825530).

Almost surely, 2^{42221031031015} is an apocalyptic number.

42221031031015 is a deficient number, since it is larger than the sum of its proper divisors (8577887573225).

42221031031015 is a wasteful number, since it uses less digits than its factorization.

42221031031015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22280227841.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 42221031031015 its reverse (51013013012224), we get a palindrome (93234044043239).

The spelling of 42221031031015 in words is "forty-two trillion, two hundred twenty-one billion, thirty-one million, thirty-one thousand, fifteen".