2100020110111 has 16 divisors (see below), whose sum is σ = 2657284611840. Its totient is φ = 1611955730880.

The previous prime is 2100020110103. The next prime is 2100020110147. The reversal of 2100020110111 is 1110110200012.

It is not a de Polignac number, because 2100020110111 - 2³ = 2100020110103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100020110171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203524606 + ... + 203534923.

It is an arithmetic number, because the mean of its divisors is an integer number (166080288240).

Almost surely, 2^{2100020110111} is an apocalyptic number.

2100020110111 is a deficient number, since it is larger than the sum of its proper divisors (557264501729).

2100020110111 is a wasteful number, since it uses less digits than its factorization.

2100020110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407059614.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2100020110111 its reverse (1110110200012), we get a palindrome (3210130310123).

The spelling of 2100020110111 in words is "two trillion, one hundred billion, twenty million, one hundred ten thousand, one hundred eleven".