11302011122131 has 4 divisors (see below), whose sum is σ = 11302344972072. Its totient is φ = 11301677272192.

The previous prime is 11302011122093. The next prime is 11302011122147. The reversal of 11302011122131 is 13122111020311.

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 11302011122131 - 2¹⁷ = 11302010991059 is a prime.

It is a super-2 number, since 2×11302011122131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11302011122099 and 11302011122108.

It is not an unprimeable number, because it can be changed into a prime (11302011122231) 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, 166874185 + ... + 166941898.

It is an arithmetic number, because the mean of its divisors is an integer number (2825586243018).

Almost surely, 2^{11302011122131} is an apocalyptic number.

11302011122131 is a deficient number, since it is larger than the sum of its proper divisors (333849941).

11302011122131 is an equidigital number, since it uses as much as digits as its factorization.

11302011122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333849940.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11302011122131 its reverse (13122111020311), we get a palindrome (24424122142442).

The spelling of 11302011122131 in words is "eleven trillion, three hundred two billion, eleven million, one hundred twenty-two thousand, one hundred thirty-one".