210211212001 has 4 divisors (see below), whose sum is σ = 240241385152. Its totient is φ = 180181038852.

The previous prime is 210211211993. The next prime is 210211212031. The reversal of 210211212001 is 100212112012.

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 210211212001 - 2³ = 210211211993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210211212031) 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, 15015086565 + ... + 15015086578.

It is an arithmetic number, because the mean of its divisors is an integer number (60060346288).

Almost surely, 2^210211212001 is an apocalyptic number.

It is an amenable number.

210211212001 is a deficient number, since it is larger than the sum of its proper divisors (30030173151).

210211212001 is an equidigital number, since it uses as much as digits as its factorization.

210211212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30030173150.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210211212001 its reverse (100212112012), we get a palindrome (310423324013).

The spelling of 210211212001 in words is "two hundred ten billion, two hundred eleven million, two hundred twelve thousand, one".