202110210000205 has 64 divisors (see below), whose sum is σ = 300498595891200. Its totient is φ = 128785111695360.

The previous prime is 202110210000191. The next prime is 202110210000229. The reversal of 202110210000205 is 502000012011202.

It is a happy number.

It is not a de Polignac number, because 202110210000205 - 2³⁵ = 202075850261837 is a prime.

It is a super-2 number, since 2×202110210000205² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154616700 + ... + 155918389.

It is an arithmetic number, because the mean of its divisors is an integer number (4695290560800).

Almost surely, 2^{202110210000205} is an apocalyptic number.

It is an amenable number.

202110210000205 is a deficient number, since it is larger than the sum of its proper divisors (98388385890995).

202110210000205 is a wasteful number, since it uses less digits than its factorization.

202110210000205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310535174.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 202110210000205 its reverse (502000012011202), we get a palindrome (704110222011407).

The spelling of 202110210000205 in words is "two hundred two trillion, one hundred ten billion, two hundred ten million, two hundred five", and thus it is an aban number.