21210322200036 has 48 divisors (see below), whose sum is σ = 49929531974784. Its totient is φ = 7007426546176.

The previous prime is 21210322200017. The next prime is 21210322200037. The reversal of 21210322200036 is 63000222301212.

It is a junction number, because it is equal to n+sod(n) for n = 21210322199979 and 21210322200015.

It is not an unprimeable number, because it can be changed into a prime (21210322200037) 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, 144168265 + ... + 144315311.

It is an arithmetic number, because the mean of its divisors is an integer number (1040198582808).

Almost surely, 2^{21210322200036} is an apocalyptic number.

It is an amenable number.

21210322200036 is an abundant number, since it is smaller than the sum of its proper divisors (28719209774748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21210322200036 is a wasteful number, since it uses less digits than its factorization.

21210322200036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253540 (or 253538 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21210322200036 its reverse (63000222301212), we get a palindrome (84210544501248).

The spelling of 21210322200036 in words is "twenty-one trillion, two hundred ten billion, three hundred twenty-two million, two hundred thousand, thirty-six".