2100121120097 has 32 divisors (see below), whose sum is σ = 2820614759424. Its totient is φ = 1510109640000.

The previous prime is 2100121120067. The next prime is 2100121120099. The reversal of 2100121120097 is 7900211210012.

It is not a de Polignac number, because 2100121120097 - 2¹⁶ = 2100121054561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100121120099) 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 31 ways as a sum of consecutive naturals, for example, 2931578 + ... + 3576924.

It is an arithmetic number, because the mean of its divisors is an integer number (88144211232).

Almost surely, 2^{2100121120097} is an apocalyptic number.

It is an amenable number.

2100121120097 is a deficient number, since it is larger than the sum of its proper divisors (720493639327).

2100121120097 is a wasteful number, since it uses less digits than its factorization.

2100121120097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648629.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 2100121120097 in words is "two trillion, one hundred billion, one hundred twenty-one million, one hundred twenty thousand, ninety-seven".