20222003011261 has 2 divisors, whose sum is σ = 20222003011262. Its totient is φ = 20222003011260.

The previous prime is 20222003011139. The next prime is 20222003011277. The reversal of 20222003011261 is 16211030022202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18814825811236 + 1407177200025 = 4337606^2 + 1186245^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222003011261 - 2¹⁵ = 20222002978493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222003017261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111001505630 + 10111001505631.

It is an arithmetic number, because the mean of its divisors is an integer number (10111001505631).

Almost surely, 2^{20222003011261} is an apocalyptic number.

It is an amenable number.

20222003011261 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222003011261 is an equidigital number, since it uses as much as digits as its factorization.

20222003011261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20222003011261 its reverse (16211030022202), we get a palindrome (36433033033463).

The spelling of 20222003011261 in words is "twenty trillion, two hundred twenty-two billion, three million, eleven thousand, two hundred sixty-one".