210012221201 has 4 divisors (see below), whose sum is σ = 210015360000. Its totient is φ = 210009082404.

The previous prime is 210012221179. The next prime is 210012221249. The reversal of 210012221201 is 102122210012.

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 210012221201 - 2²⁶ = 209945112337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210012221291) 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, 1466801 + ... + 1603598.

It is an arithmetic number, because the mean of its divisors is an integer number (52503840000).

Almost surely, 2^210012221201 is an apocalyptic number.

It is an amenable number.

210012221201 is a deficient number, since it is larger than the sum of its proper divisors (3138799).

210012221201 is an equidigital number, since it uses as much as digits as its factorization.

210012221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138798.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210012221201 its reverse (102122210012), we get a palindrome (312134431213).

The spelling of 210012221201 in words is "two hundred ten billion, twelve million, two hundred twenty-one thousand, two hundred one".