221400140403 has 128 divisors (see below), whose sum is σ = 349340221440. Its totient is φ = 123601674240.

The previous prime is 221400140387. The next prime is 221400140419. The reversal of 221400140403 is 304041004122.

221400140403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221400140387) and next prime (221400140419).

It is not a de Polignac number, because 221400140403 - 2⁴ = 221400140387 is a prime.

It is a super-2 number, since 2×221400140403² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221400140403.

It is not an unprimeable number, because it can be changed into a prime (221400140443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 339050425 + ... + 339051077.

It is an arithmetic number, because the mean of its divisors is an integer number (2729220480).

Almost surely, 2^221400140403 is an apocalyptic number.

221400140403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

221400140403 is a deficient number, since it is larger than the sum of its proper divisors (127940081037).

221400140403 is a wasteful number, since it uses less digits than its factorization.

221400140403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 221400140403 its reverse (304041004122), we get a palindrome (525441144525).

The spelling of 221400140403 in words is "two hundred twenty-one billion, four hundred million, one hundred forty thousand, four hundred three".