2121120323019 has 12 divisors (see below), whose sum is σ = 3244066376616. Its totient is φ = 1330899026112.

The previous prime is 2121120322999. The next prime is 2121120323149. The reversal of 2121120323019 is 9103230211212.

2121120323019 is a `hidden beast` number, since 2 + 1 + 211 + 203 + 230 + 19 = 666.

It is not a de Polignac number, because 2121120323019 - 2¹¹ = 2121120320971 is a prime.

It is a super-2 number, since 2×2121120323019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121120322983 and 2121120323001.

It is not an unprimeable number, because it can be changed into a prime (2121120323419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6931765609 + ... + 6931765914.

It is an arithmetic number, because the mean of its divisors is an integer number (270338864718).

Almost surely, 2^{2121120323019} is an apocalyptic number.

2121120323019 is a deficient number, since it is larger than the sum of its proper divisors (1122946053597).

2121120323019 is a wasteful number, since it uses less digits than its factorization.

2121120323019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13863531546 (or 13863531543 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 2121120323019 in words is "two trillion, one hundred twenty-one billion, one hundred twenty million, three hundred twenty-three thousand, nineteen".