21002132200133 has 16 divisors (see below), whose sum is σ = 25129264970880. Its totient is φ = 17171664369216.

The previous prime is 21002132200121. The next prime is 21002132200151. The reversal of 21002132200133 is 33100223120012.

It is not a de Polignac number, because 21002132200133 - 2¹² = 21002132196037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21002132200103) 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, 623228810 + ... + 623262507.

It is an arithmetic number, because the mean of its divisors is an integer number (1570579060680).

Almost surely, 2^{21002132200133} is an apocalyptic number.

It is an amenable number.

21002132200133 is a deficient number, since it is larger than the sum of its proper divisors (4127132770747).

21002132200133 is a wasteful number, since it uses less digits than its factorization.

21002132200133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246491436.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21002132200133 its reverse (33100223120012), we get a palindrome (54102355320145).

The spelling of 21002132200133 in words is "twenty-one trillion, two billion, one hundred thirty-two million, two hundred thousand, one hundred thirty-three".