121222203 has 8 divisors (see below), whose sum is σ = 165388608. Its totient is φ = 78935304.

The previous prime is 121222193. The next prime is 121222237. The reversal of 121222203 is 302222121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121222203 - 2⁴ = 121222187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121222253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469725 + ... + 469982.

It is an arithmetic number, because the mean of its divisors is an integer number (20673576).

Almost surely, 2^121222203 is an apocalyptic number.

121222203 is a deficient number, since it is larger than the sum of its proper divisors (44166405).

121222203 is an equidigital number, since it uses as much as digits as its factorization.

121222203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939753.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 121222203 is about 11010.0955036730. The cubic root of 121222203 is about 494.9113237744.

Adding to 121222203 its reverse (302222121), we get a palindrome (423444324).

The spelling of 121222203 in words is "one hundred twenty-one million, two hundred twenty-two thousand, two hundred three".