101200002100111 has 4 divisors (see below), whose sum is σ = 101200375155424. Its totient is φ = 101199629044800.

The previous prime is 101200002100049. The next prime is 101200002100123. The reversal of 101200002100111 is 111001200002101.

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 101200002100111 - 2²⁵ = 101199968545679 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 (101200002100511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186120450 + ... + 186663391.

It is an arithmetic number, because the mean of its divisors is an integer number (25300093788856).

Almost surely, 2^{101200002100111} is an apocalyptic number.

101200002100111 is a deficient number, since it is larger than the sum of its proper divisors (373055313).

101200002100111 is an equidigital number, since it uses as much as digits as its factorization.

101200002100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373055312.

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

Adding to 101200002100111 its reverse (111001200002101), we get a palindrome (212201202102212).

The spelling of 101200002100111 in words is "one hundred one trillion, two hundred billion, two million, one hundred thousand, one hundred eleven".