2102311222111 has 8 divisors (see below), whose sum is σ = 2108082952080. Its totient is φ = 2096540675712.

The previous prime is 2102311222087. The next prime is 2102311222129. The reversal of 2102311222111 is 1112221132012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102311222111 - 2¹⁷ = 2102311091039 is a prime.

It is a super-2 number, since 2×2102311222111² (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 (2102311522111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3322071 + ... + 3903943.

It is an arithmetic number, because the mean of its divisors is an integer number (263510369010).

Almost surely, 2^{2102311222111} is an apocalyptic number.

2102311222111 is a deficient number, since it is larger than the sum of its proper divisors (5771729969).

2102311222111 is an equidigital number, since it uses as much as digits as its factorization.

2102311222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591785.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2102311222111 its reverse (1112221132012), we get a palindrome (3214532354123).

Subtracting from 2102311222111 its reverse (1112221132012), we obtain a palindrome (990090090099).

The spelling of 2102311222111 in words is "two trillion, one hundred two billion, three hundred eleven million, two hundred twenty-two thousand, one hundred eleven".