2122100121195 has 64 divisors (see below), whose sum is σ = 3793660416000. Its totient is φ = 1125488504448.

The previous prime is 2122100121161. The next prime is 2122100121209. The reversal of 2122100121195 is 5911210012212.

It is not a de Polignac number, because 2122100121195 - 2⁷ = 2122100121067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23411421 + ... + 23501889.

It is an arithmetic number, because the mean of its divisors is an integer number (59275944000).

Almost surely, 2^{2122100121195} is an apocalyptic number.

2122100121195 is a deficient number, since it is larger than the sum of its proper divisors (1671560294805).

2122100121195 is a wasteful number, since it uses less digits than its factorization.

2122100121195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91449 (or 91443 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 2122100121195 in words is "two trillion, one hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, one hundred ninety-five".