21200102014 has 32 divisors (see below), whose sum is σ = 39165751296. Its totient is φ = 8381046240.

The previous prime is 21200102009. The next prime is 21200102051. The reversal of 21200102014 is 41020100212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 21200101985 and 21200102003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228129 + ... + 307315.

It is an arithmetic number, because the mean of its divisors is an integer number (1223929728).

Almost surely, 2^21200102014 is an apocalyptic number.

21200102014 is a deficient number, since it is larger than the sum of its proper divisors (17965649282).

21200102014 is a wasteful number, since it uses less digits than its factorization.

21200102014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80680.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21200102014 its reverse (41020100212), we get a palindrome (62220202226).

The spelling of 21200102014 in words is "twenty-one billion, two hundred million, one hundred two thousand, fourteen".