11231314021 has 8 divisors (see below), whose sum is σ = 11345279904. Its totient is φ = 11117898000.

The previous prime is 11231313983. The next prime is 11231314037. The reversal of 11231314021 is 12041313211.

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 11231314021 - 2²⁷ = 11097096293 is a prime.

It is a super-2 number, since 2×11231314021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11231314021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231314091) 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, 96346 + ... + 178171.

It is an arithmetic number, because the mean of its divisors is an integer number (1418159988).

Almost surely, 2^11231314021 is an apocalyptic number.

It is an amenable number.

11231314021 is a deficient number, since it is larger than the sum of its proper divisors (113965883).

11231314021 is a wasteful number, since it uses less digits than its factorization.

11231314021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274931.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11231314021 its reverse (12041313211), we get a palindrome (23272627232).

The spelling of 11231314021 in words is "eleven billion, two hundred thirty-one million, three hundred fourteen thousand, twenty-one".