2100222001211 has 4 divisors (see below), whose sum is σ = 2131568598312. Its totient is φ = 2068875404112.

The previous prime is 2100222001201. The next prime is 2100222001247. The reversal of 2100222001211 is 1121002220012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100222001211 - 2¹⁴ = 2100221984827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100222001201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15673298450 + ... + 15673298583.

It is an arithmetic number, because the mean of its divisors is an integer number (532892149578).

Almost surely, 2^{2100222001211} is an apocalyptic number.

2100222001211 is a deficient number, since it is larger than the sum of its proper divisors (31346597101).

2100222001211 is an equidigital number, since it uses as much as digits as its factorization.

2100222001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31346597100.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2100222001211 its reverse (1121002220012), we get a palindrome (3221224221223).

It can be divided in two parts, 21002220012 and 11, that multiplied together give a palindrome (231024420132).

The spelling of 2100222001211 in words is "two trillion, one hundred billion, two hundred twenty-two million, one thousand, two hundred eleven".