2121617010007 has 4 divisors (see below), whose sum is σ = 2314491283656. Its totient is φ = 1928742736360.

The previous prime is 2121617009999. The next prime is 2121617010011. The reversal of 2121617010007 is 7000107161212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2121617010007 - 2³ = 2121617009999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121617010017) 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, 96437136808 + ... + 96437136829.

It is an arithmetic number, because the mean of its divisors is an integer number (578622820914).

Almost surely, 2^{2121617010007} is an apocalyptic number.

2121617010007 is a deficient number, since it is larger than the sum of its proper divisors (192874273649).

2121617010007 is a wasteful number, since it uses less digits than its factorization.

2121617010007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192874273648.

The product of its (nonzero) digits is 1176, while the sum is 28.

The spelling of 2121617010007 in words is "two trillion, one hundred twenty-one billion, six hundred seventeen million, ten thousand, seven".