11012020010031 has 32 divisors (see below), whose sum is σ = 16222649545728. Its totient is φ = 6608951585280.

The previous prime is 11012020010029. The next prime is 11012020010039. The reversal of 11012020010031 is 13001002021011.

It is not a de Polignac number, because 11012020010031 - 2¹ = 11012020010029 is a prime.

It is a super-2 number, since 2×11012020010031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11012020009989 and 11012020010016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012020010039) 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, 97561830 + ... + 97674636.

It is an arithmetic number, because the mean of its divisors is an integer number (506957798304).

Almost surely, 2^{11012020010031} is an apocalyptic number.

11012020010031 is a deficient number, since it is larger than the sum of its proper divisors (5210629535697).

11012020010031 is a wasteful number, since it uses less digits than its factorization.

11012020010031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196071.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11012020010031 its reverse (13001002021011), we get a palindrome (24013022031042).

The spelling of 11012020010031 in words is "eleven trillion, twelve billion, twenty million, ten thousand, thirty-one".