2121112223332 has 6 divisors (see below), whose sum is σ = 3711946390838. Its totient is φ = 1060556111664.

The previous prime is 2121112223257. The next prime is 2121112223333. The reversal of 2121112223332 is 2333222111212.

It can be written as a sum of positive squares in only one way, i.e., 2109157862436 + 11954360896 = 1452294^2 + 109336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2121112223297 and 2121112223306.

It is not an unprimeable number, because it can be changed into a prime (2121112223333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265139027913 + ... + 265139027920.

Almost surely, 2^{2121112223332} is an apocalyptic number.

It is an amenable number.

2121112223332 is a deficient number, since it is larger than the sum of its proper divisors (1590834167506).

2121112223332 is a wasteful number, since it uses less digits than its factorization.

2121112223332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530278055837 (or 530278055835 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 2121112223332 its reverse (2333222111212), we get a palindrome (4454334334544).

The spelling of 2121112223332 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty-three thousand, three hundred thirty-two".