200030101261 has 16 divisors (see below), whose sum is σ = 206739573040. Its totient is φ = 193390986240.

The previous prime is 200030101259. The next prime is 200030101291. The reversal of 200030101261 is 162101030002.

It can be written as a sum of positive squares in 8 ways, for example, as 44789373225 + 155240728036 = 211635^2 + 394006^2 .

It is a cyclic number.

It is not a de Polignac number, because 200030101261 - 2¹ = 200030101259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200030101291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8674495 + ... + 8697523.

It is an arithmetic number, because the mean of its divisors is an integer number (12921223315).

Almost surely, 2^200030101261 is an apocalyptic number.

It is an amenable number.

200030101261 is a deficient number, since it is larger than the sum of its proper divisors (6709471779).

200030101261 is a wasteful number, since it uses less digits than its factorization.

200030101261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24544.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 200030101261 its reverse (162101030002), we get a palindrome (362131131263).

The spelling of 200030101261 in words is "two hundred billion, thirty million, one hundred one thousand, two hundred sixty-one".