1001331101022 has 64 divisors (see below), whose sum is σ = 2300841984000. Its totient is φ = 284584687200.

The previous prime is 1001331100993. The next prime is 1001331101027. The reversal of 1001331101022 is 2201011331001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001331100992 and 1001331101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001331101027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38860179 + ... + 38885937.

It is an arithmetic number, because the mean of its divisors is an integer number (35950656000).

Almost surely, 2^{1001331101022} is an apocalyptic number.

1001331101022 is an abundant number, since it is smaller than the sum of its proper divisors (1299510882978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001331101022 is a wasteful number, since it uses less digits than its factorization.

1001331101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30621.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1001331101022 its reverse (2201011331001), we get a palindrome (3202342432023).

The spelling of 1001331101022 in words is "one trillion, one billion, three hundred thirty-one million, one hundred one thousand, twenty-two".