2102022001 has 4 divisors (see below), whose sum is σ = 2225670372. Its totient is φ = 1978373632.

The previous prime is 2102021983. The next prime is 2102022007. The reversal of 2102022001 is 1002202012.

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 1811353600 + 290668401 = 42560^2 + 17049^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102022001 - 2¹⁵ = 2101989233 is a prime.

It is a super-3 number, since 3×2102022001³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102022007) 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, 61824160 + ... + 61824193.

It is an arithmetic number, because the mean of its divisors is an integer number (556417593).

Almost surely, 2^2102022001 is an apocalyptic number.

It is an amenable number.

2102022001 is a deficient number, since it is larger than the sum of its proper divisors (123648371).

2102022001 is a wasteful number, since it uses less digits than its factorization.

2102022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123648370.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2102022001 is about 45847.8134811247. The cubic root of 2102022001 is about 1280.9900382801.

Adding to 2102022001 its reverse (1002202012), we get a palindrome (3104224013).

The spelling of 2102022001 in words is "two billion, one hundred two million, twenty-two thousand, one".