501002022122 has 32 divisors (see below), whose sum is σ = 896437193472. Its totient is φ = 205325898624.

The previous prime is 501002022109. The next prime is 501002022137. The reversal of 501002022122 is 221220200105.

It is a self number, because there is not a number n which added to its sum of digits gives 501002022122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038758 + ... + 1442574.

It is an arithmetic number, because the mean of its divisors is an integer number (28013662296).

Almost surely, 2^501002022122 is an apocalyptic number.

501002022122 is a deficient number, since it is larger than the sum of its proper divisors (395435171350).

501002022122 is a wasteful number, since it uses less digits than its factorization.

501002022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407702.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 501002022122 its reverse (221220200105), we get a palindrome (722222222227).

The spelling of 501002022122 in words is "five hundred one billion, two million, twenty-two thousand, one hundred twenty-two".