20112210121202 has 32 divisors (see below), whose sum is σ = 31515316634880. Its totient is φ = 9613942712640.

The previous prime is 20112210121147. The next prime is 20112210121247. The reversal of 20112210121202 is 20212101221102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51558452 + ... + 51947072.

It is an arithmetic number, because the mean of its divisors is an integer number (984853644840).

Almost surely, 2^{20112210121202} is an apocalyptic number.

20112210121202 is a deficient number, since it is larger than the sum of its proper divisors (11403106513678).

20112210121202 is a wasteful number, since it uses less digits than its factorization.

20112210121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397418.

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

Adding to 20112210121202 its reverse (20212101221102), we get a palindrome (40324311342304).

The spelling of 20112210121202 in words is "twenty trillion, one hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, two hundred two".