21212101122119 has 8 divisors (see below), whose sum is σ = 21273062821200. Its totient is φ = 21151144343296.

The previous prime is 21212101122109. The next prime is 21212101122133. The reversal of 21212101122119 is 91122110121212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21212101122119 - 2⁸ = 21212101121863 is a prime.

It is a super-3 number, since 3×21212101122119³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21212101122109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7493432 + ... + 9928530.

It is an arithmetic number, because the mean of its divisors is an integer number (2659132852650).

Almost surely, 2^{21212101122119} is an apocalyptic number.

21212101122119 is a deficient number, since it is larger than the sum of its proper divisors (60961699081).

21212101122119 is a wasteful number, since it uses less digits than its factorization.

21212101122119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460129.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 21212101122119 in words is "twenty-one trillion, two hundred twelve billion, one hundred one million, one hundred twenty-two thousand, one hundred nineteen".