2101222201211 has 24 divisors (see below), whose sum is σ = 2573214511680. Its totient is φ = 1706063727312.

The previous prime is 2101222201193. The next prime is 2101222201231. The reversal of 2101222201211 is 1121022221012.

It is not a de Polignac number, because 2101222201211 - 2¹⁴ = 2101222184827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101222201211.

It is not an unprimeable number, because it can be changed into a prime (2101222201231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8468036 + ... + 8712638.

It is an arithmetic number, because the mean of its divisors is an integer number (107217271320).

Almost surely, 2^{2101222201211} is an apocalyptic number.

2101222201211 is a deficient number, since it is larger than the sum of its proper divisors (471992310469).

2101222201211 is a wasteful number, since it uses less digits than its factorization.

2101222201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253863 (or 253856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2101222201211 its reverse (1121022221012), we get a palindrome (3222244422223).

The spelling of 2101222201211 in words is "two trillion, one hundred one billion, two hundred twenty-two million, two hundred one thousand, two hundred eleven".