21112001012119 has 8 divisors (see below), whose sum is σ = 21161240616960. Its totient is φ = 21062762592600.

The previous prime is 21112001012093. The next prime is 21112001012147. The reversal of 21112001012119 is 91121010021112.

It is a happy number.

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 21112001012119 - 2¹³ = 21112001003927 is a prime.

It is a super-2 number, since 2×21112001012119² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21112001012119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112001012149) 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, 42591102 + ... + 43083940.

It is an arithmetic number, because the mean of its divisors is an integer number (2645155077120).

Almost surely, 2^{21112001012119} is an apocalyptic number.

21112001012119 is a deficient number, since it is larger than the sum of its proper divisors (49239604841).

21112001012119 is an equidigital number, since it uses as much as digits as its factorization.

21112001012119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592661.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 21112001012119 in words is "twenty-one trillion, one hundred twelve billion, one million, twelve thousand, one hundred nineteen".