2121122233110 has 32 divisors (see below), whose sum is σ = 5176976302080. Its totient is φ = 556045601888.

The previous prime is 2121122233103. The next prime is 2121122233121. The reversal of 2121122233110 is 113322211212.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599185302 + ... + 599188841.

It is an arithmetic number, because the mean of its divisors is an integer number (161780509440).

Almost surely, 2^{2121122233110} is an apocalyptic number.

2121122233110 is an abundant number, since it is smaller than the sum of its proper divisors (3055854068970).

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

2121122233110 is a wasteful number, since it uses less digits than its factorization.

2121122233110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198374212.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2121122233110 its reverse (113322211212), we get a palindrome (2234444444322).

The spelling of 2121122233110 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred thirty-three thousand, one hundred ten".