21403021119 has 16 divisors (see below), whose sum is σ = 29526481920. Its totient is φ = 13774289760.

The previous prime is 21403021117. The next prime is 21403021169. The reversal of 21403021119 is 91112030412.

It is not a de Polignac number, because 21403021119 - 2¹ = 21403021117 is a prime.

It is a super-2 number, since 2×21403021119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21403021117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588474 + ... + 623784.

It is an arithmetic number, because the mean of its divisors is an integer number (1845405120).

Almost surely, 2^21403021119 is an apocalyptic number.

21403021119 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

21403021119 is a deficient number, since it is larger than the sum of its proper divisors (8123460801).

21403021119 is a wasteful number, since it uses less digits than its factorization.

21403021119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42310.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 21403021119 in words is "twenty-one billion, four hundred three million, twenty-one thousand, one hundred nineteen".