21200202012022 has 8 divisors (see below), whose sum is σ = 34691239656072. Its totient is φ = 9636455460000.

The previous prime is 21200202011999. The next prime is 21200202012061. The reversal of 21200202012022 is 22021020200212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21200202011987 and 21200202012005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481822772979 + ... + 481822773022.

It is an arithmetic number, because the mean of its divisors is an integer number (4336404957009).

Almost surely, 2^{21200202012022} is an apocalyptic number.

21200202012022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21200202012022 is a deficient number, since it is larger than the sum of its proper divisors (13491037644050).

21200202012022 is a wasteful number, since it uses less digits than its factorization.

21200202012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963645546014.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 21200202012022 its reverse (22021020200212), we get a palindrome (43221222212234).

The spelling of 21200202012022 in words is "twenty-one trillion, two hundred billion, two hundred two million, twelve thousand, twenty-two".