1100203111122 has 32 divisors (see below), whose sum is σ = 2369330740800. Its totient is φ = 339311559168.

The previous prime is 1100203111013. The next prime is 1100203111141. The reversal of 1100203111122 is 2211113020011.

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, 91403347 + ... + 91415382.

It is an arithmetic number, because the mean of its divisors is an integer number (74041585650).

Almost surely, 2^{1100203111122} is an apocalyptic number.

1100203111122 is an abundant number, since it is smaller than the sum of its proper divisors (1269127629678).

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

1100203111122 is a wasteful number, since it uses less digits than its factorization.

1100203111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182818810.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1100203111122 its reverse (2211113020011), we get a palindrome (3311316131133).

The spelling of 1100203111122 in words is "one trillion, one hundred billion, two hundred three million, one hundred eleven thousand, one hundred twenty-two".