2121011122 has 8 divisors (see below), whose sum is σ = 3182630400. Its totient is φ = 1060134324.

The previous prime is 2121011111. The next prime is 2121011141. The reversal of 2121011122 is 2211101212.

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

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, 178422 + ... + 189937.

It is an arithmetic number, because the mean of its divisors is an integer number (397828800).

Almost surely, 2^2121011122 is an apocalyptic number.

2121011122 is a deficient number, since it is larger than the sum of its proper divisors (1061619278).

2121011122 is a wasteful number, since it uses less digits than its factorization.

2121011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371240.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2121011122 is about 46054.4365072465. The cubic root of 2121011122 is about 1284.8358578511.

Adding to 2121011122 its reverse (2211101212), we get a palindrome (4332112334).

The spelling of 2121011122 in words is "two billion, one hundred twenty-one million, eleven thousand, one hundred twenty-two".