21010202112010 has 32 divisors (see below), whose sum is σ = 38092713607872. Its totient is φ = 8343332352000.

The previous prime is 21010202111917. The next prime is 21010202112013. The reversal of 21010202112010 is 1021120201012.

It is not an unprimeable number, because it can be changed into a prime (21010202112013) 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, 12862327 + ... + 14403466.

It is an arithmetic number, because the mean of its divisors is an integer number (1190397300246).

Almost surely, 2^{21010202112010} is an apocalyptic number.

21010202112010 is a deficient number, since it is larger than the sum of its proper divisors (17082511495862).

21010202112010 is a wasteful number, since it uses less digits than its factorization.

21010202112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27266358.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21010202112010 its reverse (1021120201012), we get a palindrome (22031322313022).

The spelling of 21010202112010 in words is "twenty-one trillion, ten billion, two hundred two million, one hundred twelve thousand, ten".