221101022089 has 2 divisors, whose sum is σ = 221101022090. Its totient is φ = 221101022088.

The previous prime is 221101022071. The next prime is 221101022117. The reversal of 221101022089 is 980220101122.

It is an a-pointer prime, because the next prime (221101022117) can be obtained adding 221101022089 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123856836489 + 97244185600 = 351933^2 + 311840^2 .

It is a cyclic number.

It is not a de Polignac number, because 221101022089 - 2¹⁵ = 221100989321 is a prime.

It is not a weakly prime, because it can be changed into another prime (221101020089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550511044 + 110550511045.

It is an arithmetic number, because the mean of its divisors is an integer number (110550511045).

Almost surely, 2^221101022089 is an apocalyptic number.

It is an amenable number.

221101022089 is a deficient number, since it is larger than the sum of its proper divisors (1).

221101022089 is an equidigital number, since it uses as much as digits as its factorization.

221101022089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 221101022089 in words is "two hundred twenty-one billion, one hundred one million, twenty-two thousand, eighty-nine".