222121001032 has 64 divisors (see below), whose sum is σ = 482255706240. Its totient is φ = 93944448000.

The previous prime is 222121001017. The next prime is 222121001059. The reversal of 222121001032 is 230100121222.

It is a happy number.

It is a super-3 number, since 3×222121001032³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222121000997 and 222121001015.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1672432 + ... + 1800352.

It is an arithmetic number, because the mean of its divisors is an integer number (7535245410).

Almost surely, 2^222121001032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222121001032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241127853120).

222121001032 is an abundant number, since it is smaller than the sum of its proper divisors (260134705208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222121001032 is a wasteful number, since it uses less digits than its factorization.

222121001032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128342 (or 128338 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222121001032 its reverse (230100121222), we get a palindrome (452221122254).

The spelling of 222121001032 in words is "two hundred twenty-two billion, one hundred twenty-one million, one thousand, thirty-two".