21210000110202 has 32 divisors (see below), whose sum is σ = 46364174820864. Its totient is φ = 6439468723200.

The previous prime is 21210000110161. The next prime is 21210000110203. The reversal of 21210000110202 is 20201100001212.

It is not an unprimeable number, because it can be changed into a prime (21210000110203) 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, 3353886799 + ... + 3353893122.

It is an arithmetic number, because the mean of its divisors is an integer number (1448880463152).

Almost surely, 2^{21210000110202} is an apocalyptic number.

21210000110202 is an abundant number, since it is smaller than the sum of its proper divisors (25154174710662).

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

21210000110202 is a wasteful number, since it uses less digits than its factorization.

21210000110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707779974.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21210000110202 its reverse (20201100001212), we get a palindrome (41411100111414).

The spelling of 21210000110202 in words is "twenty-one trillion, two hundred ten billion, one hundred ten thousand, two hundred two".