221100022222127 has 2 divisors, whose sum is σ = 221100022222128. Its totient is φ = 221100022222126.

The previous prime is 221100022222081. The next prime is 221100022222139. The reversal of 221100022222127 is 721222220001122.

221100022222127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221100022222127 - 2⁶ = 221100022222063 is a prime.

It is a super-3 number, since 3×221100022222127³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221100022222096 and 221100022222105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221100022222427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550011111063 + 110550011111064.

It is an arithmetic number, because the mean of its divisors is an integer number (110550011111064).

Almost surely, 2^{221100022222127} is an apocalyptic number.

221100022222127 is a deficient number, since it is larger than the sum of its proper divisors (1).

221100022222127 is an equidigital number, since it uses as much as digits as its factorization.

221100022222127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 221100022222127 its reverse (721222220001122), we get a palindrome (942322242223249).

The spelling of 221100022222127 in words is "two hundred twenty-one trillion, one hundred billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-seven".