1011331231022 has 32 divisors (see below), whose sum is σ = 1810234272000. Its totient is φ = 423347944824.

The previous prime is 1011331230997. The next prime is 1011331231033. The reversal of 1011331231022 is 2201321331101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1011331230985 and 1011331231003.

It is a congruent number.

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, 17112872 + ... + 17171867.

It is an arithmetic number, because the mean of its divisors is an integer number (56569821000).

Almost surely, 2^{1011331231022} is an apocalyptic number.

1011331231022 is a deficient number, since it is larger than the sum of its proper divisors (798903040978).

1011331231022 is an equidigital number, since it uses as much as digits as its factorization.

1011331231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34284805 (or 34284791 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1011331231022 its reverse (2201321331101), we get a palindrome (3212652562123).

The spelling of 1011331231022 in words is "one trillion, eleven billion, three hundred thirty-one million, two hundred thirty-one thousand, twenty-two".