210020012201 has 4 divisors (see below), whose sum is σ = 210095916672. Its totient is φ = 209944107732.

The previous prime is 210020012197. The next prime is 210020012203. The reversal of 210020012201 is 102210020012.

It is a happy number.

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 210020012201 - 2² = 210020012197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210020012203) 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, 37948085 + ... + 37953618.

It is an arithmetic number, because the mean of its divisors is an integer number (52523979168).

Almost surely, 2^210020012201 is an apocalyptic number.

It is an amenable number.

210020012201 is a deficient number, since it is larger than the sum of its proper divisors (75904471).

210020012201 is an equidigital number, since it uses as much as digits as its factorization.

210020012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75904470.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210020012201 its reverse (102210020012), we get a palindrome (312230032213).

The spelling of 210020012201 in words is "two hundred ten billion, twenty million, twelve thousand, two hundred one".