2220121203 has 16 divisors (see below), whose sum is σ = 3072556032. Its totient is φ = 1424412000.

The previous prime is 2220121201. The next prime is 2220121219. The reversal of 2220121203 is 3021210222.

It is a happy number.

It is not a de Polignac number, because 2220121203 - 2¹ = 2220121201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220121201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49113 + ... + 82778.

It is an arithmetic number, because the mean of its divisors is an integer number (192034752).

Almost surely, 2^2220121203 is an apocalyptic number.

2220121203 is a deficient number, since it is larger than the sum of its proper divisors (852434829).

2220121203 is a wasteful number, since it uses less digits than its factorization.

2220121203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132106.

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

The square root of 2220121203 is about 47118.1621352107. The cubic root of 2220121203 is about 1304.5444901032.

Adding to 2220121203 its reverse (3021210222), we get a palindrome (5241331425).

The spelling of 2220121203 in words is "two billion, two hundred twenty million, one hundred twenty-one thousand, two hundred three".