210000122221101 has 16 divisors (see below), whose sum is σ = 281739228215424. Its totient is φ = 139130920387584.

The previous prime is 210000122221007. The next prime is 210000122221163. The reversal of 210000122221101 is 101122221000012.

It is a de Polignac number, because none of the positive numbers 2^k-210000122221101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000122221171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44178376 + ... + 48700401.

It is an arithmetic number, because the mean of its divisors is an integer number (17608701763464).

Almost surely, 2^{210000122221101} is an apocalyptic number.

It is an amenable number.

210000122221101 is a deficient number, since it is larger than the sum of its proper divisors (71739105994323).

210000122221101 is a wasteful number, since it uses less digits than its factorization.

210000122221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92883460.

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

Adding to 210000122221101 its reverse (101122221000012), we get a palindrome (311122343221113).

The spelling of 210000122221101 in words is "two hundred ten trillion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred one".