21103203314 has 16 divisors (see below), whose sum is σ = 33802686720. Its totient is φ = 9859115280.

The previous prime is 21103203311. The next prime is 21103203349. The reversal of 21103203314 is 41330230112.

It is a super-2 number, since 2×21103203314² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21103203311) 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, 5866724 + ... + 5870319.

It is an arithmetic number, because the mean of its divisors is an integer number (2112667920).

Almost surely, 2^21103203314 is an apocalyptic number.

21103203314 is a deficient number, since it is larger than the sum of its proper divisors (12699483406).

21103203314 is a wasteful number, since it uses less digits than its factorization.

21103203314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11737105.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21103203314 its reverse (41330230112), we get a palindrome (62433433426).

The spelling of 21103203314 in words is "twenty-one billion, one hundred three million, two hundred three thousand, three hundred fourteen".