21100233322219 has 2 divisors, whose sum is σ = 21100233322220. Its totient is φ = 21100233322218.

The previous prime is 21100233322211. The next prime is 21100233322229. The reversal of 21100233322219 is 91222333200112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21100233322219 - 2³ = 21100233322211 is a prime.

It is a super-2 number, since 2×21100233322219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21100233322211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550116661109 + 10550116661110.

It is an arithmetic number, because the mean of its divisors is an integer number (10550116661110).

Almost surely, 2^{21100233322219} is an apocalyptic number.

21100233322219 is a deficient number, since it is larger than the sum of its proper divisors (1).

21100233322219 is an equidigital number, since it uses as much as digits as its factorization.

21100233322219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 21100233322219 in words is "twenty-one trillion, one hundred billion, two hundred thirty-three million, three hundred twenty-two thousand, two hundred nineteen".