2106207001 has 4 divisors (see below), whose sum is σ = 2106369972. Its totient is φ = 2106044032.

The previous prime is 2106206969. The next prime is 2106207017. The reversal of 2106207001 is 1007026012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 995718025 + 1110488976 = 31555^2 + 33324^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106207001 - 2⁵ = 2106206969 is a prime.

It is a super-2 number, since 2×2106207001² = 8872215862122828002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2106207001.

It is not an unprimeable number, because it can be changed into a prime (2106207101) 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, 60256 + ... + 88561.

It is an arithmetic number, because the mean of its divisors is an integer number (526592493).

Almost surely, 2^2106207001 is an apocalyptic number.

It is an amenable number.

2106207001 is a deficient number, since it is larger than the sum of its proper divisors (162971).

2106207001 is a wasteful number, since it uses less digits than its factorization.

2106207001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162970.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2106207001 is about 45893.4309133671. The cubic root of 2106207001 is about 1281.8395995542.

The spelling of 2106207001 in words is "two billion, one hundred six million, two hundred seven thousand, one".