2100002222111 has 4 divisors (see below), whose sum is σ = 2126584528800. Its totient is φ = 2073419915424.

The previous prime is 2100002222099. The next prime is 2100002222119. The reversal of 2100002222111 is 1112222000012.

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 2100002222111 - 2²⁶ = 2099935113247 is a prime.

It is a super-2 number, since 2×2100002222111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100002222119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13291153226 + ... + 13291153383.

It is an arithmetic number, because the mean of its divisors is an integer number (531646132200).

Almost surely, 2^{2100002222111} is an apocalyptic number.

2100002222111 is a deficient number, since it is larger than the sum of its proper divisors (26582306689).

2100002222111 is an equidigital number, since it uses as much as digits as its factorization.

2100002222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26582306688.

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

Adding to 2100002222111 its reverse (1112222000012), we get a palindrome (3212224222123).

The spelling of 2100002222111 in words is "two trillion, one hundred billion, two million, two hundred twenty-two thousand, one hundred eleven".