11231320102 has 4 divisors (see below), whose sum is σ = 16846980156. Its totient is φ = 5615660050.

The previous prime is 11231320073. The next prime is 11231320157. The reversal of 11231320102 is 20102313211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20102313211 = 167 ⋅120373133.

It is a super-2 number, since 2×11231320102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807830024 + ... + 2807830027.

It is an arithmetic number, because the mean of its divisors is an integer number (4211745039).

Almost surely, 2^11231320102 is an apocalyptic number.

11231320102 is a deficient number, since it is larger than the sum of its proper divisors (5615660054).

11231320102 is an equidigital number, since it uses as much as digits as its factorization.

11231320102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615660053.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11231320102 its reverse (20102313211), we get a palindrome (31333633313).

The spelling of 11231320102 in words is "eleven billion, two hundred thirty-one million, three hundred twenty thousand, one hundred two".