2121676001 has 4 divisors (see below), whose sum is σ = 2123985600. Its totient is φ = 2119366404.

The previous prime is 2121675961. The next prime is 2121676087. The reversal of 2121676001 is 1006761212.

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 2121676001 - 2¹⁸ = 2121413857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121675001) 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, 1153421 + ... + 1155258.

It is an arithmetic number, because the mean of its divisors is an integer number (530996400).

Almost surely, 2^2121676001 is an apocalyptic number.

It is an amenable number.

2121676001 is a deficient number, since it is larger than the sum of its proper divisors (2309599).

2121676001 is an equidigital number, since it uses as much as digits as its factorization.

2121676001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309598.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 2121676001 is about 46061.6543450189. The cubic root of 2121676001 is about 1284.9700974636.

The spelling of 2121676001 in words is "two billion, one hundred twenty-one million, six hundred seventy-six thousand, one".