11021200111331 has 4 divisors (see below), whose sum is σ = 11041348558152. Its totient is φ = 11001051664512.

The previous prime is 11021200111297. The next prime is 11021200111357. The reversal of 11021200111331 is 13311100212011.

11021200111331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11021200111331 - 2²² = 11021195917027 is a prime.

It is a super-2 number, since 2×11021200111331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021200111381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10074222590 + ... + 10074223683.

It is an arithmetic number, because the mean of its divisors is an integer number (2760337139538).

Almost surely, 2^{11021200111331} is an apocalyptic number.

11021200111331 is a deficient number, since it is larger than the sum of its proper divisors (20148446821).

11021200111331 is an equidigital number, since it uses as much as digits as its factorization.

11021200111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20148446820.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11021200111331 its reverse (13311100212011), we get a palindrome (24332300323342).

The spelling of 11021200111331 in words is "eleven trillion, twenty-one billion, two hundred million, one hundred eleven thousand, three hundred thirty-one".