1203111311122 has 16 divisors (see below), whose sum is σ = 2062550119680. Its totient is φ = 515600736768.

The previous prime is 1203111311119. The next prime is 1203111311179. The reversal of 1203111311122 is 2211131113021.

It is a self number, because there is not a number n which added to its sum of digits gives 1203111311122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122858 + ... + 1914949.

It is an arithmetic number, because the mean of its divisors is an integer number (128909382480).

Almost surely, 2^{1203111311122} is an apocalyptic number.

1203111311122 is a deficient number, since it is larger than the sum of its proper divisors (859438808558).

1203111311122 is a wasteful number, since it uses less digits than its factorization.

1203111311122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066105.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1203111311122 its reverse (2211131113021), we get a palindrome (3414242424143).

The spelling of 1203111311122 in words is "one trillion, two hundred three billion, one hundred eleven million, three hundred eleven thousand, one hundred twenty-two".