101100001203 has 20 divisors (see below), whose sum is σ = 151395233880. Its totient is φ = 67235186592.

The previous prime is 101100001169. The next prime is 101100001259. The reversal of 101100001203 is 302100001101.

It is not a de Polignac number, because 101100001203 - 2²⁵ = 101066446771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101100001403) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1492725 + ... + 1558982.

It is an arithmetic number, because the mean of its divisors is an integer number (7569761694).

Almost surely, 2^101100001203 is an apocalyptic number.

101100001203 is a deficient number, since it is larger than the sum of its proper divisors (50295232677).

101100001203 is an equidigital number, since it uses as much as digits as its factorization.

101100001203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052128 (or 3052119 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 101100001203 its reverse (302100001101), we get a palindrome (403200002304).

The spelling of 101100001203 in words is "one hundred one billion, one hundred million, one thousand, two hundred three".