200020012107961 has 2 divisors, whose sum is σ = 200020012107962. Its totient is φ = 200020012107960.

The previous prime is 200020012107931. The next prime is 200020012107973. The reversal of 200020012107961 is 169701210020002.

200020012107961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189619509657600 + 10400502450361 = 13770240^2 + 3224981^2 .

It is a cyclic number.

It is not a de Polignac number, because 200020012107961 - 2¹³ = 200020012099769 is a prime.

It is not a weakly prime, because it can be changed into another prime (200020012107931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010006053980 + 100010006053981.

It is an arithmetic number, because the mean of its divisors is an integer number (100010006053981).

Almost surely, 2^{200020012107961} is an apocalyptic number.

It is an amenable number.

200020012107961 is a deficient number, since it is larger than the sum of its proper divisors (1).

200020012107961 is an equidigital number, since it uses as much as digits as its factorization.

200020012107961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 200020012107961 its reverse (169701210020002), we get a palindrome (369721222127963).

The spelling of 200020012107961 in words is "two hundred trillion, twenty billion, twelve million, one hundred seven thousand, nine hundred sixty-one".