1001022022156 has 48 divisors (see below), whose sum is σ = 1951999005600. Its totient is φ = 445986358272.

The previous prime is 1001022022129. The next prime is 1001022022157. The reversal of 1001022022156 is 6512202201001.

It is not an unprimeable number, because it can be changed into a prime (1001022022157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7487311 + ... + 7619833.

It is an arithmetic number, because the mean of its divisors is an integer number (40666645950).

Almost surely, 2^{1001022022156} is an apocalyptic number.

It is an amenable number.

1001022022156 is a deficient number, since it is larger than the sum of its proper divisors (950976983444).

1001022022156 is a wasteful number, since it uses less digits than its factorization.

1001022022156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137578 (or 137576 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1001022022156 its reverse (6512202201001), we get a palindrome (7513224223157).

The spelling of 1001022022156 in words is "one trillion, one billion, twenty-two million, twenty-two thousand, one hundred fifty-six".