1101210221203 has 4 divisors (see below), whose sum is σ = 1128069007128. Its totient is φ = 1074351435280.

The previous prime is 1101210221183. The next prime is 1101210221257. The reversal of 1101210221203 is 3021220121011.

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 1101210221203 - 2¹³ = 1101210213011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101210224203) 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, 13429392901 + ... + 13429392982.

It is an arithmetic number, because the mean of its divisors is an integer number (282017251782).

Almost surely, 2^{1101210221203} is an apocalyptic number.

1101210221203 is a deficient number, since it is larger than the sum of its proper divisors (26858785925).

1101210221203 is an equidigital number, since it uses as much as digits as its factorization.

1101210221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26858785924.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1101210221203 its reverse (3021220121011), we get a palindrome (4122430342214).

The spelling of 1101210221203 in words is "one trillion, one hundred one billion, two hundred ten million, two hundred twenty-one thousand, two hundred three".