119320021 has 4 divisors (see below), whose sum is σ = 124507872. Its totient is φ = 114132172.

The previous prime is 119319989. The next prime is 119320027. The reversal of 119320021 is 120023911.

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 119320021 - 2⁵ = 119319989 is a prime.

It is a super-2 number, since 2×119320021² = 28474534822880882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119320027) 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, 2593891 + ... + 2593936.

It is an arithmetic number, because the mean of its divisors is an integer number (31126968).

Almost surely, 2^119320021 is an apocalyptic number.

It is an amenable number.

119320021 is a deficient number, since it is larger than the sum of its proper divisors (5187851).

119320021 is an equidigital number, since it uses as much as digits as its factorization.

119320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187850.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 119320021 is about 10923.3704047789. The cubic root of 119320021 is about 492.3089982293.

Adding to 119320021 its reverse (120023911), we get a palindrome (239343932).

The spelling of 119320021 in words is "one hundred nineteen million, three hundred twenty thousand, twenty-one".