11220223101131 has 16 divisors (see below), whose sum is σ = 12388956870528. Its totient is φ = 10076299531200.

The previous prime is 11220223101127. The next prime is 11220223101181. The reversal of 11220223101131 is 13110132202211.

It is a cyclic number.

It is not a de Polignac number, because 11220223101131 - 2² = 11220223101127 is a prime.

It is a super-2 number, since 2×11220223101131² (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 (11220223101121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8580791 + ... + 9801551.

It is an arithmetic number, because the mean of its divisors is an integer number (774309804408).

Almost surely, 2^{11220223101131} is an apocalyptic number.

11220223101131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11220223101131 is a deficient number, since it is larger than the sum of its proper divisors (1168733769397).

11220223101131 is a wasteful number, since it uses less digits than its factorization.

11220223101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230922.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11220223101131 its reverse (13110132202211), we get a palindrome (24330355303342).

The spelling of 11220223101131 in words is "eleven trillion, two hundred twenty billion, two hundred twenty-three million, one hundred one thousand, one hundred thirty-one".