2121122010 has 64 divisors (see below), whose sum is σ = 5927738112. Its totient is φ = 475677696.

The previous prime is 2121122009. The next prime is 2121122023. The reversal of 2121122010 is 102211212.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84159 + ... + 106418.

It is an arithmetic number, because the mean of its divisors is an integer number (92620908).

Almost surely, 2^2121122010 is an apocalyptic number.

2121122010 is an abundant number, since it is smaller than the sum of its proper divisors (3806616102).

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

2121122010 is a wasteful number, since it uses less digits than its factorization.

2121122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190647.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2121122010 is about 46055.6403711858. The cubic root of 2121122010 is about 1284.8582481778.

Adding to 2121122010 its reverse (102211212), we get a palindrome (2223333222).

The spelling of 2121122010 in words is "two billion, one hundred twenty-one million, one hundred twenty-two thousand, ten".