121222355332 has 24 divisors (see below), whose sum is σ = 228488519000. Its totient is φ = 55941186816.

The previous prime is 121222355327. The next prime is 121222355339. The reversal of 121222355332 is 233553222121.

It can be written as a sum of positive squares in 4 ways, for example, as 53151458116 + 68070897216 = 230546^2 + 260904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121222355294 and 121222355303.

It is not an unprimeable number, because it can be changed into a prime (121222355339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238144 + ... + 546952.

Almost surely, 2^121222355332 is an apocalyptic number.

It is an amenable number.

121222355332 is a deficient number, since it is larger than the sum of its proper divisors (107266163668).

121222355332 is a wasteful number, since it uses less digits than its factorization.

121222355332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316375 (or 316373 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

Adding to 121222355332 its reverse (233553222121), we get a palindrome (354775577453).

The spelling of 121222355332 in words is "one hundred twenty-one billion, two hundred twenty-two million, three hundred fifty-five thousand, three hundred thirty-two".