21201200220002 has 288 divisors, whose sum is σ = 39911361050880. Its totient is φ = 8345243013120.

The previous prime is 21201200219971. The next prime is 21201200220029. The reversal of 21201200220002 is 20002200210212.

It is a super-2 number, since 2×21201200220002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 56839678688 + ... + 56839679060.

It is an arithmetic number, because the mean of its divisors is an integer number (138581114760).

Almost surely, 2^{21201200220002} is an apocalyptic number.

21201200220002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21201200220002 is a deficient number, since it is larger than the sum of its proper divisors (18710160830878).

21201200220002 is a wasteful number, since it uses less digits than its factorization.

21201200220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21201200220002 its reverse (20002200210212), we get a palindrome (41203400430214).

The spelling of 21201200220002 in words is "twenty-one trillion, two hundred one billion, two hundred million, two hundred twenty thousand, two".