222052301215021 has 2 divisors, whose sum is σ = 222052301215022. Its totient is φ = 222052301215020.

The previous prime is 222052301215001. The next prime is 222052301215039. The reversal of 222052301215021 is 120512103250222.

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., 200941823406025 + 21110477808996 = 14175395^2 + 4594614^2 .

It is a cyclic number.

It is not a de Polignac number, because 222052301215021 - 2¹³ = 222052301206829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222052301215001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111026150607510 + 111026150607511.

It is an arithmetic number, because the mean of its divisors is an integer number (111026150607511).

Almost surely, 2^{222052301215021} is an apocalyptic number.

It is an amenable number.

222052301215021 is a deficient number, since it is larger than the sum of its proper divisors (1).

222052301215021 is an equidigital number, since it uses as much as digits as its factorization.

222052301215021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 222052301215021 its reverse (120512103250222), we get a palindrome (342564404465243).

The spelling of 222052301215021 in words is "two hundred twenty-two trillion, fifty-two billion, three hundred one million, two hundred fifteen thousand, twenty-one".