2101031201 has 4 divisors (see below), whose sum is σ = 2111696532. Its totient is φ = 2090365872.

The previous prime is 2101031171. The next prime is 2101031221. The reversal of 2101031201 is 1021301012.

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 982195600 + 1118835601 = 31340^2 + 33449^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101031201 - 2⁶ = 2101031137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101031221) 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, 5332370 + ... + 5332763.

It is an arithmetic number, because the mean of its divisors is an integer number (527924133).

Almost surely, 2^2101031201 is an apocalyptic number.

It is an amenable number.

2101031201 is a deficient number, since it is larger than the sum of its proper divisors (10665331).

2101031201 is a wasteful number, since it uses less digits than its factorization.

2101031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665330.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2101031201 is about 45837.0068939934. The cubic root of 2101031201 is about 1280.7887393408.

Adding to 2101031201 its reverse (1021301012), we get a palindrome (3122332213).

The spelling of 2101031201 in words is "two billion, one hundred one million, thirty-one thousand, two hundred one".