210002221011001 has 4 divisors (see below), whose sum is σ = 210550529682432. Its totient is φ = 209453912339572.

The previous prime is 210002221010947. The next prime is 210002221011047. The reversal of 210002221011001 is 100110122200012.

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 a de Polignac number, because none of the positive numbers 2^k-210002221011001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210002221011091) 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, 274154335141 + ... + 274154335906.

It is an arithmetic number, because the mean of its divisors is an integer number (52637632420608).

Almost surely, 2^{210002221011001} is an apocalyptic number.

It is an amenable number.

210002221011001 is a deficient number, since it is larger than the sum of its proper divisors (548308671431).

210002221011001 is an equidigital number, since it uses as much as digits as its factorization.

210002221011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548308671430.

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

Adding to 210002221011001 its reverse (100110122200012), we get a palindrome (310112343211013).

The spelling of 210002221011001 in words is "two hundred ten trillion, two billion, two hundred twenty-one million, eleven thousand, one".