21112120101219 has 8 divisors (see below), whose sum is σ = 32170849678080. Its totient is φ = 12064068629256.

The previous prime is 21112120101203. The next prime is 21112120101227. The reversal of 21112120101219 is 91210102121112.

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

It is not a de Polignac number, because 21112120101219 - 2⁴ = 21112120101203 is a prime.

It is a super-2 number, since 2×21112120101219² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21112120101119) 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, 502669526199 + ... + 502669526240.

It is an arithmetic number, because the mean of its divisors is an integer number (4021356209760).

Almost surely, 2^{21112120101219} is an apocalyptic number.

21112120101219 is a deficient number, since it is larger than the sum of its proper divisors (11058729576861).

21112120101219 is a wasteful number, since it uses less digits than its factorization.

21112120101219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005339052449.

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

The spelling of 21112120101219 in words is "twenty-one trillion, one hundred twelve billion, one hundred twenty million, one hundred one thousand, two hundred nineteen".