2100122120023 has 12 divisors (see below), whose sum is σ = 2132270791560. Its totient is φ = 2068451240592.

The previous prime is 2100122119987. The next prime is 2100122120069. The reversal of 2100122120023 is 3200212210012.

It is a happy number.

It is not a de Polignac number, because 2100122120023 - 2¹³ = 2100122111831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100122119979 and 2100122120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100122120093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31474965 + ... + 31541617.

It is an arithmetic number, because the mean of its divisors is an integer number (177689232630).

Almost surely, 2^{2100122120023} is an apocalyptic number.

2100122120023 is a deficient number, since it is larger than the sum of its proper divisors (32148671537).

2100122120023 is an frugal number, since it uses more digits than its factorization.

2100122120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73806 (or 73739 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2100122120023 its reverse (3200212210012), we get a palindrome (5300334330035).

The spelling of 2100122120023 in words is "two trillion, one hundred billion, one hundred twenty-two million, one hundred twenty thousand, twenty-three".