2100113353245 has 32 divisors (see below), whose sum is σ = 3439023464448. Its totient is φ = 1093881823808.

The previous prime is 2100113353241. The next prime is 2100113353249. The reversal of 2100113353245 is 5423533110012.

It is an interprime number because it is at equal distance from previous prime (2100113353241) and next prime (2100113353249).

It is a cyclic number.

It is not a de Polignac number, because 2100113353245 - 2² = 2100113353241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100113353241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2860149 + ... + 3518618.

It is an arithmetic number, because the mean of its divisors is an integer number (107469483264).

Almost surely, 2^{2100113353245} is an apocalyptic number.

It is an amenable number.

2100113353245 is a deficient number, since it is larger than the sum of its proper divisors (1338910111203).

2100113353245 is a wasteful number, since it uses less digits than its factorization.

2100113353245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379289.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 2100113353245 its reverse (5423533110012), we get a palindrome (7523646463257).

The spelling of 2100113353245 in words is "two trillion, one hundred billion, one hundred thirteen million, three hundred fifty-three thousand, two hundred forty-five".