2222100021211 has 4 divisors (see below), whose sum is σ = 2539542881392. Its totient is φ = 1904657161032.

The previous prime is 2222100021191. The next prime is 2222100021259. The reversal of 2222100021211 is 1121200012222.

It is a happy number.

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 2222100021211 - 2²⁷ = 2221965803483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222100021311) 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, 158721430080 + ... + 158721430093.

It is an arithmetic number, because the mean of its divisors is an integer number (634885720348).

Almost surely, 2^{2222100021211} is an apocalyptic number.

2222100021211 is a deficient number, since it is larger than the sum of its proper divisors (317442860181).

2222100021211 is an equidigital number, since it uses as much as digits as its factorization.

2222100021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317442860180.

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

Adding to 2222100021211 its reverse (1121200012222), we get a palindrome (3343300033433).

The spelling of 2222100021211 in words is "two trillion, two hundred twenty-two billion, one hundred million, twenty-one thousand, two hundred eleven".