1120203101 has 4 divisors (see below), whose sum is σ = 1126911072. Its totient is φ = 1113495132.

The previous prime is 1120203089. The next prime is 1120203113. The reversal of 1120203101 is 1013020211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1120203089) and next prime (1120203113).

It is a cyclic number.

It is not a de Polignac number, because 1120203101 - 2⁶ = 1120203037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120203701) 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, 3353735 + ... + 3354068.

It is an arithmetic number, because the mean of its divisors is an integer number (281727768).

Almost surely, 2^1120203101 is an apocalyptic number.

It is an amenable number.

1120203101 is a deficient number, since it is larger than the sum of its proper divisors (6707971).

1120203101 is an equidigital number, since it uses as much as digits as its factorization.

1120203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707970.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1120203101 is about 33469.4353253831. The cubic root of 1120203101 is about 1038.5615904300.

Adding to 1120203101 its reverse (1013020211), we get a palindrome (2133223312).

The spelling of 1120203101 in words is "one billion, one hundred twenty million, two hundred three thousand, one hundred one".