21200012200102 has 16 divisors (see below), whose sum is σ = 33182727320160. Its totient is φ = 10139105858112.

The previous prime is 21200012200099. The next prime is 21200012200121. The reversal of 21200012200102 is 20100221000212.

It is a happy number.

It is a super-3 number, since 3×21200012200102³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25412674 + ... + 26233642.

It is an arithmetic number, because the mean of its divisors is an integer number (2073920457510).

Almost surely, 2^{21200012200102} is an apocalyptic number.

21200012200102 is a deficient number, since it is larger than the sum of its proper divisors (11982715120058).

21200012200102 is a wasteful number, since it uses less digits than its factorization.

21200012200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382367.

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

Adding to 21200012200102 its reverse (20100221000212), we get a palindrome (41300233200314).

The spelling of 21200012200102 in words is "twenty-one trillion, two hundred billion, twelve million, two hundred thousand, one hundred two".