2202200121 has 24 divisors (see below), whose sum is σ = 3236900800. Its totient is φ = 1330765920.

The previous prime is 2202200089. The next prime is 2202200123. The reversal of 2202200121 is 1210022022.

It is not a de Polignac number, because 2202200121 - 2⁵ = 2202200089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202200097 and 2202200106.

It is not an unprimeable number, because it can be changed into a prime (2202200123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117996 + ... + 135378.

Almost surely, 2^2202200121 is an apocalyptic number.

It is an amenable number.

2202200121 is a deficient number, since it is larger than the sum of its proper divisors (1034700679).

2202200121 is a wasteful number, since it uses less digits than its factorization.

2202200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17757 (or 17746 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2202200121 is about 46927.6051061633. The cubic root of 2202200121 is about 1301.0248567320.

Adding to 2202200121 its reverse (1210022022), we get a palindrome (3412222143).

It can be divided in two parts, 22022001 and 21, that added together give a palindrome (22022022).

The spelling of 2202200121 in words is "two billion, two hundred two million, two hundred thousand, one hundred twenty-one".