222112021001237 has 2 divisors, whose sum is σ = 222112021001238. Its totient is φ = 222112021001236.

The previous prime is 222112021001197. The next prime is 222112021001281. The reversal of 222112021001237 is 732100120211222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165835002757636 + 56277018243601 = 12877694^2 + 7501801^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112021001237 - 2¹⁸ = 222112020739093 is a prime.

It is a super-2 number, since 2×222112021001237² (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 (222112021001287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056010500618 + 111056010500619.

It is an arithmetic number, because the mean of its divisors is an integer number (111056010500619).

Almost surely, 2^{222112021001237} is an apocalyptic number.

It is an amenable number.

222112021001237 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112021001237 is an equidigital number, since it uses as much as digits as its factorization.

222112021001237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 222112021001237 its reverse (732100120211222), we get a palindrome (954212141212459).

The spelling of 222112021001237 in words is "two hundred twenty-two trillion, one hundred twelve billion, twenty-one million, one thousand, two hundred thirty-seven".