2300000021261 has 2 divisors, whose sum is σ = 2300000021262. Its totient is φ = 2300000021260.

The previous prime is 2300000021177. The next prime is 2300000021279. The reversal of 2300000021261 is 1621200000032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1153194629161 + 1146805392100 = 1073869^2 + 1070890^2 .

It is a cyclic number.

It is not a de Polignac number, because 2300000021261 - 2³⁴ = 2282820152077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2300000021461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150000010630 + 1150000010631.

It is an arithmetic number, because the mean of its divisors is an integer number (1150000010631).

Almost surely, 2^{2300000021261} is an apocalyptic number.

It is an amenable number.

2300000021261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2300000021261 is an equidigital number, since it uses as much as digits as its factorization.

2300000021261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2300000021261 its reverse (1621200000032), we get a palindrome (3921200021293).

The spelling of 2300000021261 in words is "two trillion, three hundred billion, twenty-one thousand, two hundred sixty-one".