2121211122 has 8 divisors (see below), whose sum is σ = 4242422256. Its totient is φ = 707070372.

The previous prime is 2121211111. The next prime is 2121211139. The reversal of 2121211122 is 2211121212.

It is a sphenic number, since it is the product of 3 distinct primes.

2121211122 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176767588 + ... + 176767599.

It is an arithmetic number, because the mean of its divisors is an integer number (530302782).

Almost surely, 2^2121211122 is an apocalyptic number.

2121211122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121211122 is a wasteful number, since it uses less digits than its factorization.

2121211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353535192.

The product of its digits is 32, while the sum is 15.

The square root of 2121211122 is about 46056.6077995330. The cubic root of 2121211122 is about 1284.8762409640.

Adding to 2121211122 its reverse (2211121212), we get a palindrome (4332332334).

The spelling of 2121211122 in words is "two billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twenty-two".