11012322131 has 8 divisors (see below), whose sum is σ = 11194939728. Its totient is φ = 10829772000.

The previous prime is 11012322127. The next prime is 11012322149. The reversal of 11012322131 is 13122321011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11012322131 - 2² = 11012322127 is a prime.

It is a super-2 number, since 2×11012322131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012322031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394661 + ... + 421641.

It is an arithmetic number, because the mean of its divisors is an integer number (1399367466).

Almost surely, 2^11012322131 is an apocalyptic number.

11012322131 is a deficient number, since it is larger than the sum of its proper divisors (182617597).

11012322131 is an equidigital number, since it uses as much as digits as its factorization.

11012322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33733.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11012322131 its reverse (13122321011), we get a palindrome (24134643142).

It can be divided in two parts, 1101 and 2322131, that added together give a palindrome (2323232).

The spelling of 11012322131 in words is "eleven billion, twelve million, three hundred twenty-two thousand, one hundred thirty-one".