2203220121 has 8 divisors (see below), whose sum is σ = 2948082144. Its totient is φ = 1463585760.

The previous prime is 2203220119. The next prime is 2203220141. The reversal of 2203220121 is 1210223022.

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 2203220121 - 2¹ = 2203220119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2203220121.

It is not an unprimeable number, because it can be changed into a prime (2203220141) 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, 1305931 + ... + 1307616.

It is an arithmetic number, because the mean of its divisors is an integer number (368510268).

Almost surely, 2^2203220121 is an apocalyptic number.

It is an amenable number.

2203220121 is a deficient number, since it is larger than the sum of its proper divisors (744862023).

2203220121 is a wasteful number, since it uses less digits than its factorization.

2203220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613831.

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

The square root of 2203220121 is about 46938.4716517272. The cubic root of 2203220121 is about 1301.2256923282.

Adding to 2203220121 its reverse (1210223022), we get a palindrome (3413443143).

The spelling of 2203220121 in words is "two billion, two hundred three million, two hundred twenty thousand, one hundred twenty-one".