2100122113111 has 8 divisors (see below), whose sum is σ = 2296931878800. Its totient is φ = 1904293943040.

The previous prime is 2100122113099. The next prime is 2100122113171. The reversal of 2100122113111 is 1113112210012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100122113111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100122113171) 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, 245394426 + ... + 245402983.

It is an arithmetic number, because the mean of its divisors is an integer number (287116484850).

Almost surely, 2^{2100122113111} is an apocalyptic number.

2100122113111 is a deficient number, since it is larger than the sum of its proper divisors (196809765689).

2100122113111 is a wasteful number, since it uses less digits than its factorization.

2100122113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490797809.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 2100122113111 its reverse (1113112210012), we get a palindrome (3213234323123).

The spelling of 2100122113111 in words is "two trillion, one hundred billion, one hundred twenty-two million, one hundred thirteen thousand, one hundred eleven".