222132302201261 has 2 divisors, whose sum is σ = 222132302201262. Its totient is φ = 222132302201260.

The previous prime is 222132302201231. The next prime is 222132302201291. The reversal of 222132302201261 is 162102203231222.

222132302201261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (222132302201231) and next prime (222132302201291).

It can be written as a sum of positive squares in only one way, i.e., 165582052601161 + 56550249600100 = 12867869^2 + 7519990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222132302201261 is a prime.

It is a super-2 number, since 2×222132302201261² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222132302201231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111066151100630 + 111066151100631.

It is an arithmetic number, because the mean of its divisors is an integer number (111066151100631).

Almost surely, 2^{222132302201261} is an apocalyptic number.

It is an amenable number.

222132302201261 is a deficient number, since it is larger than the sum of its proper divisors (1).

222132302201261 is an equidigital number, since it uses as much as digits as its factorization.

222132302201261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 222132302201261 its reverse (162102203231222), we get a palindrome (384234505432483).

The spelling of 222132302201261 in words is "two hundred twenty-two trillion, one hundred thirty-two billion, three hundred two million, two hundred one thousand, two hundred sixty-one".