10421100 has 54 divisors (see below), whose sum is σ = 32667180. Its totient is φ = 2778720.

The previous prime is 10421083. The next prime is 10421107. The reversal of 10421100 is 112401.

It is a happy number.

10421100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (10421107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4890 + ... + 6689.

Almost surely, 2^10421100 is an apocalyptic number.

10421100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10421100 is an abundant number, since it is smaller than the sum of its proper divisors (22246080).

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

10421100 is a wasteful number, since it uses less digits than its factorization.

10421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11599 (or 11589 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10421100 is about 3228.1728578253. The cubic root of 10421100 is about 218.4260947768.

Adding to 10421100 its reverse (112401), we get a palindrome (10533501).

The spelling of 10421100 in words is "ten million, four hundred twenty-one thousand, one hundred".