1102021203 has 4 divisors (see below), whose sum is σ = 1469361608. Its totient is φ = 734680800.

The previous prime is 1102021189. The next prime is 1102021231. The reversal of 1102021203 is 3021202011.

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

It is not a de Polignac number, because 1102021203 - 2⁸ = 1102020947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102021003) 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, 183670198 + ... + 183670203.

It is an arithmetic number, because the mean of its divisors is an integer number (367340402).

Almost surely, 2^1102021203 is an apocalyptic number.

1102021203 is a deficient number, since it is larger than the sum of its proper divisors (367340405).

1102021203 is an equidigital number, since it uses as much as digits as its factorization.

1102021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367340404.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1102021203 is about 33196.7047009187. The cubic root of 1102021203 is about 1032.9119854714.

Adding to 1102021203 its reverse (3021202011), we get a palindrome (4123223214).

It can be divided in two parts, 11020 and 21203, that added together give a palindrome (32223).

The spelling of 1102021203 in words is "one billion, one hundred two million, twenty-one thousand, two hundred three".