10203021108 has 36 divisors (see below), whose sum is σ = 29475395040. Its totient is φ = 2915148816.

The previous prime is 10203021107. The next prime is 10203021113. The reversal of 10203021108 is 80112030201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203021107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20243838 + ... + 20244341.

Almost surely, 2^10203021108 is an apocalyptic number.

10203021108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10203021108 is an abundant number, since it is smaller than the sum of its proper divisors (19272373932).

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

10203021108 is a wasteful number, since it uses less digits than its factorization.

10203021108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40488196 (or 40488191 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10203021108 its reverse (80112030201), we get a palindrome (90315051309).

The spelling of 10203021108 in words is "ten billion, two hundred three million, twenty-one thousand, one hundred eight".