210002202111001 has 4 divisors (see below), whose sum is σ = 210003895514404. Its totient is φ = 210000508707600.

The previous prime is 210002202110969. The next prime is 210002202111043. The reversal of 210002202111001 is 100111202200012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 194011608728025 + 15990593382976 = 13928805^2 + 3998824^2 .

It is a cyclic number.

It is not a de Polignac number, because 210002202111001 - 2⁵ = 210002202110969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210002202111101) 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, 846515670 + ... + 846763711.

It is an arithmetic number, because the mean of its divisors is an integer number (52500973878601).

Almost surely, 2^{210002202111001} is an apocalyptic number.

It is an amenable number.

210002202111001 is a deficient number, since it is larger than the sum of its proper divisors (1693403403).

210002202111001 is a wasteful number, since it uses less digits than its factorization.

210002202111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693403402.

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

Adding to 210002202111001 its reverse (100111202200012), we get a palindrome (310113404311013).

The spelling of 210002202111001 in words is "two hundred ten trillion, two billion, two hundred two million, one hundred eleven thousand, one".