321114021 has 8 divisors (see below), whose sum is σ = 431941440. Its totient is φ = 212181312.

The previous prime is 321113999. The next prime is 321114029. The reversal of 321114021 is 120411123.

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

It is not a de Polignac number, because 321114021 - 2¹⁰ = 321112997 is a prime.

It is a super-2 number, since 2×321114021² = 206228428965576882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321114029) 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, 473281 + ... + 473958.

It is an arithmetic number, because the mean of its divisors is an integer number (53992680).

Almost surely, 2^321114021 is an apocalyptic number.

It is an amenable number.

321114021 is a deficient number, since it is larger than the sum of its proper divisors (110827419).

321114021 is a wasteful number, since it uses less digits than its factorization.

321114021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947355.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 321114021 is about 17919.6546004659. The cubic root of 321114021 is about 684.7831881720.

Adding to 321114021 its reverse (120411123), we get a palindrome (441525144).

The spelling of 321114021 in words is "three hundred twenty-one million, one hundred fourteen thousand, twenty-one".