1100221891127 has 2 divisors, whose sum is σ = 1100221891128. Its totient is φ = 1100221891126.

The previous prime is 1100221891123. The next prime is 1100221891133. The reversal of 1100221891127 is 7211981220011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100221891127 - 2² = 1100221891123 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100221891121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550110945563 + 550110945564.

It is an arithmetic number, because the mean of its divisors is an integer number (550110945564).

Almost surely, 2^{1100221891127} is an apocalyptic number.

1100221891127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100221891127 is an equidigital number, since it uses as much as digits as its factorization.

1100221891127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 1100221891127 in words is "one trillion, one hundred billion, two hundred twenty-one million, eight hundred ninety-one thousand, one hundred twenty-seven".