21202000221068 has 48 divisors (see below), whose sum is σ = 37947506123520. Its totient is φ = 10362693912000.

The previous prime is 21202000221067. The next prime is 21202000221107. The reversal of 21202000221068 is 86012200020212.

It is not an unprimeable number, because it can be changed into a prime (21202000221067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50457623 + ... + 50876081.

It is an arithmetic number, because the mean of its divisors is an integer number (790573044240).

Almost surely, 2^{21202000221068} is an apocalyptic number.

It is an amenable number.

21202000221068 is a deficient number, since it is larger than the sum of its proper divisors (16745505902452).

21202000221068 is a wasteful number, since it uses less digits than its factorization.

21202000221068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420158 (or 420156 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The spelling of 21202000221068 in words is "twenty-one trillion, two hundred two billion, two hundred twenty-one thousand, sixty-eight".