201122102010210 has 64 divisors (see below), whose sum is σ = 483886255567104. Its totient is φ = 53500104979200.

The previous prime is 201122102010139. The next prime is 201122102010217. The reversal of 201122102010210 is 12010201221102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201122102010210.

It is not an unprimeable number, because it can be changed into a prime (201122102010217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22225980 + ... + 29937240.

It is an arithmetic number, because the mean of its divisors is an integer number (7560722743236).

Almost surely, 2^{201122102010210} is an apocalyptic number.

201122102010210 is an abundant number, since it is smaller than the sum of its proper divisors (282764153556894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201122102010210 is a wasteful number, since it uses less digits than its factorization.

201122102010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7713419.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201122102010210 its reverse (12010201221102), we get a palindrome (213132303231312).

The spelling of 201122102010210 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred two million, ten thousand, two hundred ten".