2230912121 has 4 divisors (see below), whose sum is σ = 2231590032. Its totient is φ = 2230234212.

The previous prime is 2230912063. The next prime is 2230912127. The reversal of 2230912121 is 1212190322.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-2230912121 is a prime.

It is a super-3 number, since 3×2230912121³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2230912127) 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, 333995 + ... + 340608.

It is an arithmetic number, because the mean of its divisors is an integer number (557897508).

Almost surely, 2^2230912121 is an apocalyptic number.

It is an amenable number.

2230912121 is a deficient number, since it is larger than the sum of its proper divisors (677911).

2230912121 is an equidigital number, since it uses as much as digits as its factorization.

2230912121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677910.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2230912121 is about 47232.5324432218. The cubic root of 2230912121 is about 1306.6546581556.

The spelling of 2230912121 in words is "two billion, two hundred thirty million, nine hundred twelve thousand, one hundred twenty-one".