11212302203131 has 4 divisors (see below), whose sum is σ = 11354230079200. Its totient is φ = 11070374327064.

The previous prime is 11212302203119. The next prime is 11212302203149. The reversal of 11212302203131 is 13130220321211.

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 11212302203131 - 2²⁵ = 11212268648699 is a prime.

It is a super-2 number, since 2×11212302203131² (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 (11212302203101) 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, 70963937916 + ... + 70963938073.

It is an arithmetic number, because the mean of its divisors is an integer number (2838557519800).

Almost surely, 2^{11212302203131} is an apocalyptic number.

11212302203131 is a deficient number, since it is larger than the sum of its proper divisors (141927876069).

11212302203131 is an equidigital number, since it uses as much as digits as its factorization.

11212302203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141927876068.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11212302203131 its reverse (13130220321211), we get a palindrome (24342522524342).

The spelling of 11212302203131 in words is "eleven trillion, two hundred twelve billion, three hundred two million, two hundred three thousand, one hundred thirty-one".