1222200111203 has 4 divisors (see below), whose sum is σ = 1222207313400. Its totient is φ = 1222192909008.

The previous prime is 1222200111199. The next prime is 1222200111227. The reversal of 1222200111203 is 3021110022221.

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 1222200111203 - 2² = 1222200111199 is a prime.

It is a super-2 number, since 2×1222200111203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222200111263) 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, 3340253 + ... + 3688046.

It is an arithmetic number, because the mean of its divisors is an integer number (305551828350).

Almost surely, 2^{1222200111203} is an apocalyptic number.

1222200111203 is a deficient number, since it is larger than the sum of its proper divisors (7202197).

1222200111203 is an equidigital number, since it uses as much as digits as its factorization.

1222200111203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7202196.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1222200111203 its reverse (3021110022221), we get a palindrome (4243310133424).

The spelling of 1222200111203 in words is "one trillion, two hundred twenty-two billion, two hundred million, one hundred eleven thousand, two hundred three".