222121022003 has 4 divisors (see below), whose sum is σ = 222135957360. Its totient is φ = 222106086648.

The previous prime is 222121021999. The next prime is 222121022017. The reversal of 222121022003 is 300220121222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222121022003 - 2² = 222121021999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222121022063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7445348 + ... + 7475121.

It is an arithmetic number, because the mean of its divisors is an integer number (55533989340).

Almost surely, 2^222121022003 is an apocalyptic number.

222121022003 is a deficient number, since it is larger than the sum of its proper divisors (14935357).

222121022003 is a wasteful number, since it uses less digits than its factorization.

222121022003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14935356.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222121022003 its reverse (300220121222), we get a palindrome (522341143225).

The spelling of 222121022003 in words is "two hundred twenty-two billion, one hundred twenty-one million, twenty-two thousand, three".