221011031122 has 32 divisors (see below), whose sum is σ = 379921680000. Its totient is φ = 94457899008.

The previous prime is 221011031099. The next prime is 221011031159. The reversal of 221011031122 is 221130110122.

221011031122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221011031096 and 221011031105.

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, 9832048 + ... + 9854500.

It is an arithmetic number, because the mean of its divisors is an integer number (11872552500).

Almost surely, 2^221011031122 is an apocalyptic number.

221011031122 is a deficient number, since it is larger than the sum of its proper divisors (158910648878).

221011031122 is a wasteful number, since it uses less digits than its factorization.

221011031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24370.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221011031122 its reverse (221130110122), we get a palindrome (442141141244).

The spelling of 221011031122 in words is "two hundred twenty-one billion, eleven million, thirty-one thousand, one hundred twenty-two".