2100201122111 has 4 divisors (see below), whose sum is σ = 2102579606712. Its totient is φ = 2097822637512.

The previous prime is 2100201122101. The next prime is 2100201122219. The reversal of 2100201122111 is 1112211020012.

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 2100201122111 - 2³⁴ = 2083021252927 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 (2100201122101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189240976 + ... + 1189242741.

It is an arithmetic number, because the mean of its divisors is an integer number (525644901678).

Almost surely, 2^{2100201122111} is an apocalyptic number.

2100201122111 is a deficient number, since it is larger than the sum of its proper divisors (2378484601).

2100201122111 is an equidigital number, since it uses as much as digits as its factorization.

2100201122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378484600.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2100201122111 its reverse (1112211020012), we get a palindrome (3212412142123).

The spelling of 2100201122111 in words is "two trillion, one hundred billion, two hundred one million, one hundred twenty-two thousand, one hundred eleven".