2121112333233 has 6 divisors (see below), whose sum is σ = 3063828925794. Its totient is φ = 1414074888816.

The previous prime is 2121112333231. The next prime is 2121112333259. The reversal of 2121112333233 is 3323332111212.

2121112333233 is a `hidden beast` number, since 2 + 1 + 211 + 123 + 3 + 323 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1251496402209 + 869615931024 = 1118703^2 + 932532^2 .

It is not a de Polignac number, because 2121112333233 - 2¹ = 2121112333231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121112333197 and 2121112333206.

It is not an unprimeable number, because it can be changed into a prime (2121112333231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117839574060 + ... + 117839574077.

It is an arithmetic number, because the mean of its divisors is an integer number (510638154299).

Almost surely, 2^{2121112333233} is an apocalyptic number.

It is an amenable number.

2121112333233 is a deficient number, since it is larger than the sum of its proper divisors (942716592561).

2121112333233 is a wasteful number, since it uses less digits than its factorization.

2121112333233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235679148143 (or 235679148140 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 2121112333233 its reverse (3323332111212), we get a palindrome (5444444444445).

The spelling of 2121112333233 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, three hundred thirty-three thousand, two hundred thirty-three".