2112110022111 has 8 divisors (see below), whose sum is σ = 2833423670400. Its totient is φ = 1399434860952.

The previous prime is 2112110022103. The next prime is 2112110022131. The reversal of 2112110022111 is 1112200112112.

It is a happy number.

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

It is not a de Polignac number, because 2112110022111 - 2³ = 2112110022103 is a prime.

It is a super-2 number, since 2×2112110022111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112110022101) 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, 2159621211 + ... + 2159622188.

It is an arithmetic number, because the mean of its divisors is an integer number (354177958800).

Almost surely, 2^{2112110022111} is an apocalyptic number.

2112110022111 is a deficient number, since it is larger than the sum of its proper divisors (721313648289).

2112110022111 is a wasteful number, since it uses less digits than its factorization.

2112110022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319243565.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2112110022111 its reverse (1112200112112), we get a palindrome (3224310134223).

Subtracting from 2112110022111 its reverse (1112200112112), we obtain a palindrome (999909909999).

The spelling of 2112110022111 in words is "two trillion, one hundred twelve billion, one hundred ten million, twenty-two thousand, one hundred eleven".