1011022020031 has 32 divisors (see below), whose sum is σ = 1052967444480. Its totient is φ = 970283059200.

The previous prime is 1011022020011. The next prime is 1011022020079. The reversal of 1011022020031 is 1300202201101.

It is a cyclic number.

It is not a de Polignac number, because 1011022020031 - 2²¹ = 1011019922879 is a prime.

It is a super-2 number, since 2×1011022020031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011022019993 and 1011022020020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011022020011) 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, 147440355 + ... + 147447211.

It is an arithmetic number, because the mean of its divisors is an integer number (32905232640).

Almost surely, 2^{1011022020031} is an apocalyptic number.

1011022020031 is a deficient number, since it is larger than the sum of its proper divisors (41945424449).

1011022020031 is an equidigital number, since it uses as much as digits as its factorization.

1011022020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7375.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1011022020031 its reverse (1300202201101), we get a palindrome (2311224221132).

The spelling of 1011022020031 in words is "one trillion, eleven billion, twenty-two million, twenty thousand, thirty-one".