1200022201103 has 4 divisors (see below), whose sum is σ = 1309115128488. Its totient is φ = 1090929273720.

The previous prime is 1200022201099. The next prime is 1200022201151. The reversal of 1200022201103 is 3011022200021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1200022201103 - 2² = 1200022201099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200022201003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54546463676 + ... + 54546463697.

It is an arithmetic number, because the mean of its divisors is an integer number (327278782122).

Almost surely, 2^{1200022201103} is an apocalyptic number.

1200022201103 is a deficient number, since it is larger than the sum of its proper divisors (109092927385).

1200022201103 is a wasteful number, since it uses less digits than its factorization.

1200022201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109092927384.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1200022201103 its reverse (3011022200021), we get a palindrome (4211044401124).

The spelling of 1200022201103 in words is "one trillion, two hundred billion, twenty-two million, two hundred one thousand, one hundred three".