2100120222113 has 4 divisors (see below), whose sum is σ = 2108834414148. Its totient is φ = 2091406030080.

The previous prime is 2100120222043. The next prime is 2100120222131. The reversal of 2100120222113 is 3112220210012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 777417814369 + 1322702407744 = 881713^2 + 1150088^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100120222113 - 2¹² = 2100120218017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100120222091 and 2100120222100.

It is not an unprimeable number, because it can be changed into a prime (2100120222173) 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, 4357095656 + ... + 4357096137.

It is an arithmetic number, because the mean of its divisors is an integer number (527208603537).

Almost surely, 2^{2100120222113} is an apocalyptic number.

It is an amenable number.

2100120222113 is a deficient number, since it is larger than the sum of its proper divisors (8714192035).

2100120222113 is an equidigital number, since it uses as much as digits as its factorization.

2100120222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714192034.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2100120222113 its reverse (3112220210012), we get a palindrome (5212340432125).

The spelling of 2100120222113 in words is "two trillion, one hundred billion, one hundred twenty million, two hundred twenty-two thousand, one hundred thirteen".