2210111221919 has 2 divisors, whose sum is σ = 2210111221920. Its totient is φ = 2210111221918.

The previous prime is 2210111221889. The next prime is 2210111222029. The reversal of 2210111221919 is 9191221110122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2210111221919 - 2²⁰ = 2210110173343 is a prime.

It is a super-2 number, since 2×2210111221919² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210111281919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105055610959 + 1105055610960.

It is an arithmetic number, because the mean of its divisors is an integer number (1105055610960).

Almost surely, 2^{2210111221919} is an apocalyptic number.

2210111221919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210111221919 is an equidigital number, since it uses as much as digits as its factorization.

2210111221919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 2210111221919 in words is "two trillion, two hundred ten billion, one hundred eleven million, two hundred twenty-one thousand, nine hundred nineteen".