21214223301 has 8 divisors (see below), whose sum is σ = 28577235904. Its totient is φ = 13997013120.

The previous prime is 21214223293. The next prime is 21214223309. The reversal of 21214223301 is 10332241212.

It is an interprime number because it is at equal distance from previous prime (21214223293) and next prime (21214223309).

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

It is not a de Polignac number, because 21214223301 - 2³ = 21214223293 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 (21214223309) 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, 36450265 + ... + 36450846.

It is an arithmetic number, because the mean of its divisors is an integer number (3572154488).

Almost surely, 2^21214223301 is an apocalyptic number.

It is an amenable number.

21214223301 is a deficient number, since it is larger than the sum of its proper divisors (7363012603).

21214223301 is an equidigital number, since it uses as much as digits as its factorization.

21214223301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72901211.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21214223301 its reverse (10332241212), we get a palindrome (31546464513).

The spelling of 21214223301 in words is "twenty-one billion, two hundred fourteen million, two hundred twenty-three thousand, three hundred one".