2222030121 has 16 divisors (see below), whose sum is σ = 3061751808. Its totient is φ = 1431939600.

The previous prime is 2222030113. The next prime is 2222030131. The reversal of 2222030121 is 1210302222.

It is a happy number.

It is not a de Polignac number, because 2222030121 - 2³ = 2222030113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2222030121.

It is not an unprimeable number, because it can be changed into a prime (2222030131) 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, 71610 + ... + 97836.

It is an arithmetic number, because the mean of its divisors is an integer number (191359488).

Almost surely, 2^2222030121 is an apocalyptic number.

It is an amenable number.

2222030121 is a deficient number, since it is larger than the sum of its proper divisors (839721687).

2222030121 is a wasteful number, since it uses less digits than its factorization.

2222030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27172.

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

The square root of 2222030121 is about 47138.4144939136. The cubic root of 2222030121 is about 1304.9182767631.

Adding to 2222030121 its reverse (1210302222), we get a palindrome (3432332343).

The spelling of 2222030121 in words is "two billion, two hundred twenty-two million, thirty thousand, one hundred twenty-one".