11021232310131 has 4 divisors (see below), whose sum is σ = 14694976413512. Its totient is φ = 7347488206752.

The previous prime is 11021232309979. The next prime is 11021232310169. The reversal of 11021232310131 is 13101323212011.

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

It is not a de Polignac number, because 11021232310131 - 2¹⁰ = 11021232309107 is a prime.

It is a super-2 number, since 2×11021232310131² (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 = 11021232310098 and 11021232310107.

It is not an unprimeable number, because it can be changed into a prime (11021232310331) 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, 1836872051686 + ... + 1836872051691.

It is an arithmetic number, because the mean of its divisors is an integer number (3673744103378).

Almost surely, 2^{11021232310131} is an apocalyptic number.

11021232310131 is a deficient number, since it is larger than the sum of its proper divisors (3673744103381).

11021232310131 is an equidigital number, since it uses as much as digits as its factorization.

11021232310131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673744103380.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11021232310131 its reverse (13101323212011), we get a palindrome (24122555522142).

The spelling of 11021232310131 in words is "eleven trillion, twenty-one billion, two hundred thirty-two million, three hundred ten thousand, one hundred thirty-one".