1222201200203 has 4 divisors (see below), whose sum is σ = 1222212805128. Its totient is φ = 1222189595280.

The previous prime is 1222201200179. The next prime is 1222201200263. The reversal of 1222201200203 is 3020021022221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222201200203 - 2²² = 1222197005899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222201200263) 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, 5643026 + ... + 5855607.

It is an arithmetic number, because the mean of its divisors is an integer number (305553201282).

Almost surely, 2^{1222201200203} is an apocalyptic number.

1222201200203 is a deficient number, since it is larger than the sum of its proper divisors (11604925).

1222201200203 is a wasteful number, since it uses less digits than its factorization.

1222201200203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11604924.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1222201200203 its reverse (3020021022221), we get a palindrome (4242222222424).

The spelling of 1222201200203 in words is "one trillion, two hundred twenty-two billion, two hundred one million, two hundred thousand, two hundred three".