2202003121 has 4 divisors (see below), whose sum is σ = 2205754992. Its totient is φ = 2198251252.

The previous prime is 2202003107. The next prime is 2202003131. The reversal of 2202003121 is 1213002022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2202003121 - 2¹³ = 2201994929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202003131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875055 + ... + 1876228.

It is an arithmetic number, because the mean of its divisors is an integer number (551438748).

Almost surely, 2^2202003121 is an apocalyptic number.

It is an amenable number.

2202003121 is a deficient number, since it is larger than the sum of its proper divisors (3751871).

2202003121 is an equidigital number, since it uses as much as digits as its factorization.

2202003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751870.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2202003121 is about 46925.5060814479. The cubic root of 2202003121 is about 1300.9860607514.

Adding to 2202003121 its reverse (1213002022), we get a palindrome (3415005143).

The spelling of 2202003121 in words is "two billion, two hundred two million, three thousand, one hundred twenty-one".