11227730021 has 8 divisors (see below), whose sum is σ = 11911726080. Its totient is φ = 10553040288.

The previous prime is 11227729999. The next prime is 11227730023. The reversal of 11227730021 is 12003772211.

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 11227730021 - 2¹⁸ = 11227467877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11227730023) 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, 2324096 + ... + 2328921.

It is an arithmetic number, because the mean of its divisors is an integer number (1488965760).

Almost surely, 2^11227730021 is an apocalyptic number.

It is an amenable number.

11227730021 is a deficient number, since it is larger than the sum of its proper divisors (683996059).

11227730021 is a wasteful number, since it uses less digits than its factorization.

11227730021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653163.

The product of its (nonzero) digits is 1176, while the sum is 26.

The spelling of 11227730021 in words is "eleven billion, two hundred twenty-seven million, seven hundred thirty thousand, twenty-one".