11101120202131 has 4 divisors (see below), whose sum is σ = 11101134538672. Its totient is φ = 11101105865592.

The previous prime is 11101120202119. The next prime is 11101120202149. The reversal of 11101120202131 is 13120202110111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11101120202131 - 2¹⁷ = 11101120071059 is a prime.

It is a super-2 number, since 2×11101120202131² (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 (11101120202531) 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, 5936196 + ... + 7578961.

It is an arithmetic number, because the mean of its divisors is an integer number (2775283634668).

Almost surely, 2^{11101120202131} is an apocalyptic number.

11101120202131 is a deficient number, since it is larger than the sum of its proper divisors (14336541).

11101120202131 is an equidigital number, since it uses as much as digits as its factorization.

11101120202131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14336540.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11101120202131 its reverse (13120202110111), we get a palindrome (24221322312242).

The spelling of 11101120202131 in words is "eleven trillion, one hundred one billion, one hundred twenty million, two hundred two thousand, one hundred thirty-one".