11021013023031 has 12 divisors (see below), whose sum is σ = 17366444763720. Its totient is φ = 6679401832080.

The previous prime is 11021013022961. The next prime is 11021013023063. The reversal of 11021013023031 is 13032031012011.

It is not a de Polignac number, because 11021013023031 - 2¹³ = 11021013014839 is a prime.

It is a super-2 number, since 2×11021013023031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11021013022995 and 11021013023013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021013028031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55661681836 + ... + 55661682033.

It is an arithmetic number, because the mean of its divisors is an integer number (1447203730310).

Almost surely, 2^{11021013023031} is an apocalyptic number.

11021013023031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021013023031 is a deficient number, since it is larger than the sum of its proper divisors (6345431740689).

11021013023031 is a wasteful number, since it uses less digits than its factorization.

11021013023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111323363886 (or 111323363883 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11021013023031 its reverse (13032031012011), we get a palindrome (24053044035042).

The spelling of 11021013023031 in words is "eleven trillion, twenty-one billion, thirteen million, twenty-three thousand, thirty-one".