2100221022211 has 16 divisors (see below), whose sum is σ = 2340749174400. Its totient is φ = 1871030706048.

The previous prime is 2100221022199. The next prime is 2100221022253. The reversal of 2100221022211 is 1122201220012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2100221022211 - 2²⁷ = 2100086804483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100221022311) 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, 265291 + ... + 2066596.

It is an arithmetic number, because the mean of its divisors is an integer number (146296823400).

Almost surely, 2^{2100221022211} is an apocalyptic number.

2100221022211 is a deficient number, since it is larger than the sum of its proper divisors (240528152189).

2100221022211 is a wasteful number, since it uses less digits than its factorization.

2100221022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334318.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2100221022211 its reverse (1122201220012), we get a palindrome (3222422242223).

The spelling of 2100221022211 in words is "two trillion, one hundred billion, two hundred twenty-one million, twenty-two thousand, two hundred eleven".