1201102111103 has 8 divisors (see below), whose sum is σ = 1306126938672. Its totient is φ = 1099896368256.

The previous prime is 1201102111087. The next prime is 1201102111169. The reversal of 1201102111103 is 3011112011021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201102111103 - 2⁴ = 1201102111087 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 (1201102111003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954770525 + ... + 954771782.

It is an arithmetic number, because the mean of its divisors is an integer number (163265867334).

Almost surely, 2^{1201102111103} is an apocalyptic number.

1201102111103 is a deficient number, since it is larger than the sum of its proper divisors (105024827569).

1201102111103 is a wasteful number, since it uses less digits than its factorization.

1201102111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909542361.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1201102111103 its reverse (3011112011021), we get a palindrome (4212214122124).

The spelling of 1201102111103 in words is "one trillion, two hundred one billion, one hundred two million, one hundred eleven thousand, one hundred three".