1201022201203 has 4 divisors (see below), whose sum is σ = 1310206037688. Its totient is φ = 1091838364720.

The previous prime is 1201022201177. The next prime is 1201022201213. The reversal of 1201022201203 is 3021022201021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201022201203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201022201213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54591918226 + ... + 54591918247.

It is an arithmetic number, because the mean of its divisors is an integer number (327551509422).

Almost surely, 2^{1201022201203} is an apocalyptic number.

1201022201203 is a deficient number, since it is larger than the sum of its proper divisors (109183836485).

1201022201203 is a wasteful number, since it uses less digits than its factorization.

1201022201203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109183836484.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1201022201203 its reverse (3021022201021), we get a palindrome (4222044402224).

The spelling of 1201022201203 in words is "one trillion, two hundred one billion, twenty-two million, two hundred one thousand, two hundred three".