1101203101 has 16 divisors (see below), whose sum is σ = 1199840688. Its totient is φ = 1006720000.

The previous prime is 1101203099. The next prime is 1101203149. The reversal of 1101203101 is 1013021011.

It can be written as a sum of positive squares in 8 ways, for example, as 716847076 + 384356025 = 26774^2 + 19605^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101203101 - 2¹ = 1101203099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101203401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84951 + ... + 97051.

It is an arithmetic number, because the mean of its divisors is an integer number (74990043).

Almost surely, 2^1101203101 is an apocalyptic number.

It is an amenable number.

1101203101 is a deficient number, since it is larger than the sum of its proper divisors (98637587).

1101203101 is a wasteful number, since it uses less digits than its factorization.

1101203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1101203101 is about 33184.3803769183. The cubic root of 1101203101 is about 1032.6563229514.

Adding to 1101203101 its reverse (1013021011), we get a palindrome (2114224112).

The spelling of 1101203101 in words is "one billion, one hundred one million, two hundred three thousand, one hundred one".