2100121097 has 8 divisors (see below), whose sum is σ = 2133714336. Its totient is φ = 2066594112.

The previous prime is 2100121081. The next prime is 2100121103. The reversal of 2100121097 is 7901210012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100121097 - 2⁴ = 2100121081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100121057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49418 + ... + 81500.

It is an arithmetic number, because the mean of its divisors is an integer number (266714292).

Almost surely, 2^2100121097 is an apocalyptic number.

It is an amenable number.

2100121097 is a deficient number, since it is larger than the sum of its proper divisors (33593239).

2100121097 is an equidigital number, since it uses as much as digits as its factorization.

2100121097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33127.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 2100121097 is about 45827.0782071037. The cubic root of 2100121097 is about 1280.6037794818.

The spelling of 2100121097 in words is "two billion, one hundred million, one hundred twenty-one thousand, ninety-seven".