2101201003 has 32 divisors (see below), whose sum is σ = 2548661760. Its totient is φ = 1709621760.

The previous prime is 2101200991. The next prime is 2101201009. The reversal of 2101201003 is 3001021012.

It is not a de Polignac number, because 2101201003 - 2⁵ = 2101200971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101201009) 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 31 ways as a sum of consecutive naturals, for example, 360450 + ... + 366232.

It is an arithmetic number, because the mean of its divisors is an integer number (79645680).

Almost surely, 2^2101201003 is an apocalyptic number.

2101201003 is a deficient number, since it is larger than the sum of its proper divisors (447460757).

2101201003 is a wasteful number, since it uses less digits than its factorization.

2101201003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2101201003 is about 45838.8590935682. The cubic root of 2101201003 is about 1280.8232421809.

Adding to 2101201003 its reverse (3001021012), we get a palindrome (5102222015).

Subtracting 2101201003 from its reverse (3001021012), we obtain a square (899820009 = 29997²).

The spelling of 2101201003 in words is "two billion, one hundred one million, two hundred one thousand, three".