11122020131011 has 4 divisors (see below), whose sum is σ = 11123591266800. Its totient is φ = 11120448995224.

The previous prime is 11122020130999. The next prime is 11122020131017. The reversal of 11122020131011 is 11013102022111.

It is a happy number.

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 11122020131011 - 2¹⁵ = 11122020098243 is a prime.

It is a super-2 number, since 2×11122020131011² (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 (11122020131017) 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, 785557276 + ... + 785571433.

It is an arithmetic number, because the mean of its divisors is an integer number (2780897816700).

Almost surely, 2^{11122020131011} is an apocalyptic number.

11122020131011 is a deficient number, since it is larger than the sum of its proper divisors (1571135789).

11122020131011 is an equidigital number, since it uses as much as digits as its factorization.

11122020131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571135788.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11122020131011 its reverse (11013102022111), we get a palindrome (22135122153122).

The spelling of 11122020131011 in words is "eleven trillion, one hundred twenty-two billion, twenty million, one hundred thirty-one thousand, eleven".