2100121112301 has 4 divisors (see below), whose sum is σ = 2800161483072. Its totient is φ = 1400080741532.

The previous prime is 2100121112293. The next prime is 2100121112303. The reversal of 2100121112301 is 1032111210012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2100121112301 - 2³ = 2100121112293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100121112303) 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, 350020185381 + ... + 350020185386.

It is an arithmetic number, because the mean of its divisors is an integer number (700040370768).

Almost surely, 2^{2100121112301} is an apocalyptic number.

It is an amenable number.

2100121112301 is a deficient number, since it is larger than the sum of its proper divisors (700040370771).

2100121112301 is an equidigital number, since it uses as much as digits as its factorization.

2100121112301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700040370770.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2100121112301 its reverse (1032111210012), we get a palindrome (3132232322313).

The spelling of 2100121112301 in words is "two trillion, one hundred billion, one hundred twenty-one million, one hundred twelve thousand, three hundred one".