10221403120 has 40 divisors (see below), whose sum is σ = 23840746416. Its totient is φ = 4075488768.

The previous prime is 10221403097. The next prime is 10221403121. The reversal of 10221403120 is 2130412201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 10221403094 and 10221403103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221403121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179062 + ... + 229141.

Almost surely, 2^10221403120 is an apocalyptic number.

10221403120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221403120 is an abundant number, since it is smaller than the sum of its proper divisors (13619343296).

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

10221403120 is a wasteful number, since it uses less digits than its factorization.

10221403120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408529 (or 408523 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10221403120 its reverse (2130412201), we get a palindrome (12351815321).

The spelling of 10221403120 in words is "ten billion, two hundred twenty-one million, four hundred three thousand, one hundred twenty".