11102312203121 has 4 divisors (see below), whose sum is σ = 11102597714544. Its totient is φ = 11102026691700.

The previous prime is 11102312203117. The next prime is 11102312203153. The reversal of 11102312203121 is 12130221320111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11102312203121 - 2² = 11102312203117 is a prime.

It is a super-2 number, since 2×11102312203121² (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 = 11102312203093 and 11102312203102.

It is not an unprimeable number, because it can be changed into a prime (11102312283121) 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, 142697375 + ... + 142775156.

It is an arithmetic number, because the mean of its divisors is an integer number (2775649428636).

Almost surely, 2^{11102312203121} is an apocalyptic number.

It is an amenable number.

11102312203121 is a deficient number, since it is larger than the sum of its proper divisors (285511423).

11102312203121 is an equidigital number, since it uses as much as digits as its factorization.

11102312203121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285511422.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11102312203121 its reverse (12130221320111), we get a palindrome (23232533523232).

The spelling of 11102312203121 in words is "eleven trillion, one hundred two billion, three hundred twelve million, two hundred three thousand, one hundred twenty-one".