101000001203 has 4 divisors (see below), whose sum is σ = 106315790760. Its totient is φ = 95684211648.

The previous prime is 101000001199. The next prime is 101000001209. The reversal of 101000001203 is 302100000101.

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 101000001203 - 2² = 101000001199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101000001209) 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, 2657894750 + ... + 2657894787.

It is an arithmetic number, because the mean of its divisors is an integer number (26578947690).

Almost surely, 2^101000001203 is an apocalyptic number.

101000001203 is a deficient number, since it is larger than the sum of its proper divisors (5315789557).

101000001203 is an equidigital number, since it uses as much as digits as its factorization.

101000001203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315789556.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 101000001203 its reverse (302100000101), we get a palindrome (403100001304).

The spelling of 101000001203 in words is "one hundred one billion, one thousand, two hundred three".