210012422021 has 8 divisors (see below), whose sum is σ = 211889482560. Its totient is φ = 208142540352.

The previous prime is 210012421999. The next prime is 210012422063. The reversal of 210012422021 is 120224210012.

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 210012422021 - 2²² = 210008227717 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 (210012424021) 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, 1735940 + ... + 1852973.

It is an arithmetic number, because the mean of its divisors is an integer number (26486185320).

Almost surely, 2^210012422021 is an apocalyptic number.

It is an amenable number.

210012422021 is a deficient number, since it is larger than the sum of its proper divisors (1877060539).

210012422021 is a wasteful number, since it uses less digits than its factorization.

210012422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589435.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210012422021 its reverse (120224210012), we get a palindrome (330236632033).

The spelling of 210012422021 in words is "two hundred ten billion, twelve million, four hundred twenty-two thousand, twenty-one".