21112010122202 has 16 divisors (see below), whose sum is σ = 33057229600512. Its totient is φ = 10093276482960.

The previous prime is 21112010122201. The next prime is 21112010122211. The reversal of 21112010122202 is 20222101021112.

It is not an unprimeable number, because it can be changed into a prime (21112010122201) 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, 85599074 + ... + 85845357.

It is an arithmetic number, because the mean of its divisors is an integer number (2066076850032).

Almost surely, 2^{21112010122202} is an apocalyptic number.

21112010122202 is a deficient number, since it is larger than the sum of its proper divisors (11945219478310).

21112010122202 is a wasteful number, since it uses less digits than its factorization.

21112010122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171447133.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21112010122202 its reverse (20222101021112), we get a palindrome (41334111143314).

The spelling of 21112010122202 in words is "twenty-one trillion, one hundred twelve billion, ten million, one hundred twenty-two thousand, two hundred two".