3220121203 has 8 divisors (see below), whose sum is σ = 3509605008. Its totient is φ = 2936606304.

The previous prime is 3220121189. The next prime is 3220121231. The reversal of 3220121203 is 3021210223.

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

It is a cyclic number.

It is not a de Polignac number, because 3220121203 - 2⁵ = 3220121171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3220121603) 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, 1491100 + ... + 1493257.

It is an arithmetic number, because the mean of its divisors is an integer number (438700626).

Almost surely, 2^3220121203 is an apocalyptic number.

3220121203 is a deficient number, since it is larger than the sum of its proper divisors (289483805).

3220121203 is a wasteful number, since it uses less digits than its factorization.

3220121203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984453.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3220121203 is about 56746.1117875049. Note that the first 3 decimals coincide. The cubic root of 3220121203 is about 1476.6947794014.

Adding to 3220121203 its reverse (3021210223), we get a palindrome (6241331426).

The spelling of 3220121203 in words is "three billion, two hundred twenty million, one hundred twenty-one thousand, two hundred three".