22201202202061 has 2 divisors, whose sum is σ = 22201202202062. Its totient is φ = 22201202202060.

The previous prime is 22201202202001. The next prime is 22201202202071. The reversal of 22201202202061 is 16020220210222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13589876738025 + 8611325464036 = 3686445^2 + 2934506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201202202061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201202202001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100601101030 + 11100601101031.

It is an arithmetic number, because the mean of its divisors is an integer number (11100601101031).

Almost surely, 2^{22201202202061} is an apocalyptic number.

It is an amenable number.

22201202202061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201202202061 is an equidigital number, since it uses as much as digits as its factorization.

22201202202061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22201202202061 its reverse (16020220210222), we get a palindrome (38221422412283).

The spelling of 22201202202061 in words is "twenty-two trillion, two hundred one billion, two hundred two million, two hundred two thousand, sixty-one".