11111320131022 has 8 divisors (see below), whose sum is σ = 16687231693776. Its totient is φ = 5548909566432.

The previous prime is 11111320130983. The next prime is 11111320131029. The reversal of 11111320131022 is 22013102311111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11111320131022² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111320131029) 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, 3375247483 + ... + 3375250774.

It is an arithmetic number, because the mean of its divisors is an integer number (2085903961722).

Almost surely, 2^{11111320131022} is an apocalyptic number.

11111320131022 is a deficient number, since it is larger than the sum of its proper divisors (5575911562754).

11111320131022 is an equidigital number, since it uses as much as digits as its factorization.

11111320131022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750499082.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11111320131022 its reverse (22013102311111), we get a palindrome (33124422442133).

The spelling of 11111320131022 in words is "eleven trillion, one hundred eleven billion, three hundred twenty million, one hundred thirty-one thousand, twenty-two".