10202204024261 has 2 divisors, whose sum is σ = 10202204024262. Its totient is φ = 10202204024260.

The previous prime is 10202204024231. The next prime is 10202204024267. The reversal of 10202204024261 is 16242040220201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10157638281025 + 44565743236 = 3187105^2 + 211106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202204024261 is a prime.

It is a super-2 number, since 2×10202204024261² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10202204024261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202204024267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101102012130 + 5101102012131.

It is an arithmetic number, because the mean of its divisors is an integer number (5101102012131).

Almost surely, 2^{10202204024261} is an apocalyptic number.

It is an amenable number.

10202204024261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202204024261 is an equidigital number, since it uses as much as digits as its factorization.

10202204024261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 10202204024261 its reverse (16242040220201), we get a palindrome (26444244244462).

The spelling of 10202204024261 in words is "ten trillion, two hundred two billion, two hundred four million, twenty-four thousand, two hundred sixty-one".