1201110112205 has 32 divisors (see below), whose sum is σ = 1560669192960. Its totient is φ = 884306626560.

The previous prime is 1201110112151. The next prime is 1201110112219. The reversal of 1201110112205 is 5022110111021.

It is not a de Polignac number, because 1201110112205 - 2³⁶ = 1132390635469 is a prime.

It is a super-2 number, since 2×1201110112205² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 1947197 + ... + 2488733.

It is an arithmetic number, because the mean of its divisors is an integer number (48770912280).

Almost surely, 2^{1201110112205} is an apocalyptic number.

It is an amenable number.

1201110112205 is a deficient number, since it is larger than the sum of its proper divisors (359559080755).

1201110112205 is a wasteful number, since it uses less digits than its factorization.

1201110112205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542229.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 1201110112205 its reverse (5022110111021), we get a palindrome (6223220223226).

The spelling of 1201110112205 in words is "one trillion, two hundred one billion, one hundred ten million, one hundred twelve thousand, two hundred five".