2100030201 has 24 divisors (see below), whose sum is σ = 3158072840. Its totient is φ = 1343506176.

The previous prime is 2100030197. The next prime is 2100030211. The reversal of 2100030201 is 1020300012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 281434176 + 1818596025 = 16776^2 + 42645^2 .

It is not a de Polignac number, because 2100030201 - 2² = 2100030197 is a prime.

It is a super-2 number, since 2×2100030201² = 8820253690224200802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2100030211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18886 + ... + 67503.

Almost surely, 2^2100030201 is an apocalyptic number.

It is an amenable number.

2100030201 is a deficient number, since it is larger than the sum of its proper divisors (1058042639).

2100030201 is a wasteful number, since it uses less digits than its factorization.

2100030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86505 (or 86502 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2100030201 is about 45826.0864682988. The cubic root of 2100030201 is about 1280.5853038107.

Adding to 2100030201 its reverse (1020300012), we get a palindrome (3120330213).

The spelling of 2100030201 in words is "two billion, one hundred million, thirty thousand, two hundred one".