1022250251001 has 16 divisors (see below), whose sum is σ = 1625441393664. Its totient is φ = 558745478544.

The previous prime is 1022250250961. The next prime is 1022250251023. The reversal of 1022250251001 is 1001520522201.

It is not a de Polignac number, because 1022250251001 - 2¹⁵ = 1022250218233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022250251041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058229591 + ... + 1058230556.

It is an arithmetic number, because the mean of its divisors is an integer number (101590087104).

Almost surely, 2^{1022250251001} is an apocalyptic number.

It is an amenable number.

1022250251001 is a deficient number, since it is larger than the sum of its proper divisors (603191142663).

1022250251001 is a wasteful number, since it uses less digits than its factorization.

1022250251001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116460180.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 1022250251001 its reverse (1001520522201), we get a palindrome (2023770773202).

The spelling of 1022250251001 in words is "one trillion, twenty-two billion, two hundred fifty million, two hundred fifty-one thousand, one".