21102122222119 has 2 divisors, whose sum is σ = 21102122222120. Its totient is φ = 21102122222118.

The previous prime is 21102122221997. The next prime is 21102122222143. The reversal of 21102122222119 is 91122222120112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21102122222119 - 2²⁹ = 21101585351207 is a prime.

It is a super-2 number, since 2×21102122222119² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21102122252119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10551061111059 + 10551061111060.

It is an arithmetic number, because the mean of its divisors is an integer number (10551061111060).

Almost surely, 2^{21102122222119} is an apocalyptic number.

21102122222119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21102122222119 is an equidigital number, since it uses as much as digits as its factorization.

21102122222119 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 21102122222119 in words is "twenty-one trillion, one hundred two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred nineteen".