203002011100 has 36 divisors (see below), whose sum is σ = 503444989264. Its totient is φ = 69600689280.

The previous prime is 203002011067. The next prime is 203002011119. The reversal of 203002011100 is 1110200302.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145000737 + ... + 145002136.

Almost surely, 2^203002011100 is an apocalyptic number.

203002011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203002011100 is an abundant number, since it is smaller than the sum of its proper divisors (300442978164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203002011100 is a wasteful number, since it uses less digits than its factorization.

203002011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290002894 (or 290002887 counting only the distinct ones).

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

Adding to 203002011100 its reverse (1110200302), we get a palindrome (204112211402).

The spelling of 203002011100 in words is "two hundred three billion, two million, eleven thousand, one hundred".