1111203223122 has 64 divisors (see below), whose sum is σ = 2398548049920. Its totient is φ = 342193473600.

The previous prime is 1111203223073. The next prime is 1111203223139. The reversal of 1111203223122 is 2213223021111.

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, 1922347 + ... + 2432657.

It is an arithmetic number, because the mean of its divisors is an integer number (37477313280).

Almost surely, 2^{1111203223122} is an apocalyptic number.

1111203223122 is an abundant number, since it is smaller than the sum of its proper divisors (1287344826798).

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

1111203223122 is a wasteful number, since it uses less digits than its factorization.

1111203223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510879.

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

Adding to 1111203223122 its reverse (2213223021111), we get a palindrome (3324426244233).

The spelling of 1111203223122 in words is "one trillion, one hundred eleven billion, two hundred three million, two hundred twenty-three thousand, one hundred twenty-two".