22012102221247 has 2 divisors, whose sum is σ = 22012102221248. Its totient is φ = 22012102221246.

The previous prime is 22012102221163. The next prime is 22012102221379. The reversal of 22012102221247 is 74212220121022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22012102221247 - 2²³ = 22012093832639 is a prime.

It is a super-2 number, since 2×22012102221247² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012102221547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006051110623 + 11006051110624.

It is an arithmetic number, because the mean of its divisors is an integer number (11006051110624).

Almost surely, 2^{22012102221247} is an apocalyptic number.

22012102221247 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012102221247 is an equidigital number, since it uses as much as digits as its factorization.

22012102221247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 22012102221247 its reverse (74212220121022), we get a palindrome (96224322342269).

The spelling of 22012102221247 in words is "twenty-two trillion, twelve billion, one hundred two million, two hundred twenty-one thousand, two hundred forty-seven".