11013020131123 has 16 divisors (see below), whose sum is σ = 11158107008256. Its totient is φ = 10869130715040.

The previous prime is 11013020131039. The next prime is 11013020131151. The reversal of 11013020131123 is 32113102031011.

It is a cyclic number.

It is not a de Polignac number, because 11013020131123 - 2¹⁷ = 11013020000051 is a prime.

It is a super-2 number, since 2×11013020131123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11013020131123.

It is not an unprimeable number, because it can be changed into a prime (11013020131163) 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, 13419540 + ... + 14216542.

It is an arithmetic number, because the mean of its divisors is an integer number (697381688016).

Almost surely, 2^{11013020131123} is an apocalyptic number.

11013020131123 is a deficient number, since it is larger than the sum of its proper divisors (145086877133).

11013020131123 is a wasteful number, since it uses less digits than its factorization.

11013020131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797754.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11013020131123 its reverse (32113102031011), we get a palindrome (43126122162134).

The spelling of 11013020131123 in words is "eleven trillion, thirteen billion, twenty million, one hundred thirty-one thousand, one hundred twenty-three".