11062973021 has 4 divisors (see below), whose sum is σ = 11543971872. Its totient is φ = 10581974172.

The previous prime is 11062973017. The next prime is 11062973039. The reversal of 11062973021 is 12037926011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11062973021 - 2² = 11062973017 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 (11062973011) 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, 240499391 + ... + 240499436.

It is an arithmetic number, because the mean of its divisors is an integer number (2885992968).

Almost surely, 2^11062973021 is an apocalyptic number.

It is an amenable number.

11062973021 is a deficient number, since it is larger than the sum of its proper divisors (480998851).

11062973021 is an equidigital number, since it uses as much as digits as its factorization.

11062973021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480998850.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 11062973021 in words is "eleven billion, sixty-two million, nine hundred seventy-three thousand, twenty-one".