22121102012219 has 8 divisors (see below), whose sum is σ = 26153027009760. Its totient is φ = 18307118906496.

The previous prime is 22121102012033. The next prime is 22121102012231. The reversal of 22121102012219 is 91221020112122.

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

It is not a de Polignac number, because 22121102012219 - 2⁴⁴ = 4528915967803 is a prime.

It is a super-2 number, since 2×22121102012219² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22121102012419) 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, 54485472734 + ... + 54485473139.

It is an arithmetic number, because the mean of its divisors is an integer number (3269128376220).

Almost surely, 2^{22121102012219} is an apocalyptic number.

22121102012219 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22121102012219 is a deficient number, since it is larger than the sum of its proper divisors (4031924997541).

22121102012219 is a wasteful number, since it uses less digits than its factorization.

22121102012219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108970945909.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 22121102012219 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred two million, twelve thousand, two hundred nineteen".