21112120012119 has 16 divisors (see below), whose sum is σ = 28215279180000. Its totient is φ = 14041860632576.

The previous prime is 21112120012099. The next prime is 21112120012147. The reversal of 21112120012119 is 91121002121112.

It is a cyclic number.

It is not a de Polignac number, because 21112120012119 - 2⁷ = 21112120011991 is a prime.

It is a super-2 number, since 2×21112120012119² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112120012519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11501707 + ... + 13210355.

It is an arithmetic number, because the mean of its divisors is an integer number (1763454948750).

Almost surely, 2^{21112120012119} is an apocalyptic number.

21112120012119 is a deficient number, since it is larger than the sum of its proper divisors (7103159167881).

21112120012119 is a wasteful number, since it uses less digits than its factorization.

21112120012119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718274.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 21112120012119 in words is "twenty-one trillion, one hundred twelve billion, one hundred twenty million, twelve thousand, one hundred nineteen".