11023122131 has 8 divisors (see below), whose sum is σ = 12715591680. Its totient is φ = 9360087048.

The previous prime is 11023122113. The next prime is 11023122151. The reversal of 11023122131 is 13122132011.

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

It is a cyclic number.

It is not a de Polignac number, because 11023122131 - 2²² = 11018927827 is a prime.

It is a super-2 number, since 2×11023122131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11023122151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7357811 + ... + 7359308.

It is an arithmetic number, because the mean of its divisors is an integer number (1589448960).

Almost surely, 2^11023122131 is an apocalyptic number.

11023122131 is a deficient number, since it is larger than the sum of its proper divisors (1692469549).

11023122131 is a wasteful number, since it uses less digits than its factorization.

11023122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14717233.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11023122131 its reverse (13122132011), we get a palindrome (24145254142).

The spelling of 11023122131 in words is "eleven billion, twenty-three million, one hundred twenty-two thousand, one hundred thirty-one".