2121222233011 has 8 divisors (see below), whose sum is σ = 2424276059744. Its totient is φ = 1818173926080.

The previous prime is 2121222232957. The next prime is 2121222233033. The reversal of 2121222233011 is 1103322221212.

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

It is a cyclic number.

It is not a de Polignac number, because 2121222233011 - 2²⁷ = 2121088015283 is a prime.

It is a super-2 number, since 2×2121222233011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2121222233111) 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, 520800 + ... + 2124541.

It is an arithmetic number, because the mean of its divisors is an integer number (303034507468).

Almost surely, 2^{2121222233011} is an apocalyptic number.

2121222233011 is a deficient number, since it is larger than the sum of its proper divisors (303053826733).

2121222233011 is a wasteful number, since it uses less digits than its factorization.

2121222233011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759901.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2121222233011 its reverse (1103322221212), we get a palindrome (3224544454223).

The spelling of 2121222233011 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred thirty-three thousand, eleven".