21202010112202 has 16 divisors (see below), whose sum is σ = 32325308409600. Its totient is φ = 10427905004400.

The previous prime is 21202010112097. The next prime is 21202010112203. The reversal of 21202010112202 is 20221101020212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21202010112203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249381174 + ... + 249466177.

It is an arithmetic number, because the mean of its divisors is an integer number (2020331775600).

Almost surely, 2^{21202010112202} is an apocalyptic number.

21202010112202 is a deficient number, since it is larger than the sum of its proper divisors (11123298297398).

21202010112202 is a wasteful number, since it uses less digits than its factorization.

21202010112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498847701.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21202010112202 its reverse (20221101020212), we get a palindrome (41423111132414).

The spelling of 21202010112202 in words is "twenty-one trillion, two hundred two billion, ten million, one hundred twelve thousand, two hundred two".