2121020112219 has 8 divisors (see below), whose sum is σ = 2897003080272. Its totient is φ = 1379525276160.

The previous prime is 2121020112217. The next prime is 2121020112223. The reversal of 2121020112219 is 9122110201212.

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

It is not a de Polignac number, because 2121020112219 - 2¹ = 2121020112217 is a prime.

It is a super-2 number, since 2×2121020112219² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2121020112217) 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, 8622032854 + ... + 8622033099.

It is an arithmetic number, because the mean of its divisors is an integer number (362125385034).

Almost surely, 2^{2121020112219} is an apocalyptic number.

2121020112219 is a deficient number, since it is larger than the sum of its proper divisors (775982968053).

2121020112219 is a wasteful number, since it uses less digits than its factorization.

2121020112219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17244065997.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 2121020112219 in words is "two trillion, one hundred twenty-one billion, twenty million, one hundred twelve thousand, two hundred nineteen".