11101023131 has 8 divisors (see below), whose sum is σ = 12177864000. Its totient is φ = 10035458440.

The previous prime is 11101023113. The next prime is 11101023223. The reversal of 11101023131 is 13132010111.

It is a happy number.

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 11101023131 - 2⁶ = 11101023067 is a prime.

It is a super-2 number, since 2×11101023131² (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 (11101023931) 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, 2816981 + ... + 2820918.

It is an arithmetic number, because the mean of its divisors is an integer number (1522233000).

Almost surely, 2^11101023131 is an apocalyptic number.

11101023131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11101023131 is a deficient number, since it is larger than the sum of its proper divisors (1076840869).

11101023131 is a wasteful number, since it uses less digits than its factorization.

11101023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5638089.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11101023131 its reverse (13132010111), we get a palindrome (24233033242).

The spelling of 11101023131 in words is "eleven billion, one hundred one million, twenty-three thousand, one hundred thirty-one".