2121010201 has 8 divisors (see below), whose sum is σ = 2153995200. Its totient is φ = 2088260400.

The previous prime is 2121010189. The next prime is 2121010211. The reversal of 2121010201 is 1020101212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121010201 - 2¹⁷ = 2120879129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121010211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40581 + ... + 76738.

It is an arithmetic number, because the mean of its divisors is an integer number (269249400).

Almost surely, 2^2121010201 is an apocalyptic number.

It is an amenable number.

2121010201 is a deficient number, since it is larger than the sum of its proper divisors (32984999).

2121010201 is a wasteful number, since it uses less digits than its factorization.

2121010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117599.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2121010201 is about 46054.4265082087. The cubic root of 2121010201 is about 1284.8356718810.

Adding to 2121010201 its reverse (1020101212), we get a palindrome (3141111413).

The spelling of 2121010201 in words is "two billion, one hundred twenty-one million, ten thousand, two hundred one".