1222101021203 has 4 divisors (see below), whose sum is σ = 1222283349408. Its totient is φ = 1221918693000.

The previous prime is 1222101021131. The next prime is 1222101021217. The reversal of 1222101021203 is 3021201012221.

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-1222101021203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222101021223) 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, 91154048 + ... + 91167453.

It is an arithmetic number, because the mean of its divisors is an integer number (305570837352).

Almost surely, 2^{1222101021203} is an apocalyptic number.

1222101021203 is a deficient number, since it is larger than the sum of its proper divisors (182328205).

1222101021203 is an equidigital number, since it uses as much as digits as its factorization.

1222101021203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182328204.

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

Adding to 1222101021203 its reverse (3021201012221), we get a palindrome (4243302033424).

The spelling of 1222101021203 in words is "one trillion, two hundred twenty-two billion, one hundred one million, twenty-one thousand, two hundred three".