20001210111202 has 16 divisors (see below), whose sum is σ = 30436664162112. Its totient is φ = 9856575706320.

The previous prime is 20001210111187. The next prime is 20001210111203. The reversal of 20001210111202 is 20211101210002.

It is not an unprimeable number, because it can be changed into a prime (20001210111203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230035333 + ... + 230122264.

It is an arithmetic number, because the mean of its divisors is an integer number (1902291510132).

Almost surely, 2^{20001210111202} is an apocalyptic number.

20001210111202 is a deficient number, since it is larger than the sum of its proper divisors (10435454050910).

20001210111202 is a wasteful number, since it uses less digits than its factorization.

20001210111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460157913.

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

Adding to 20001210111202 its reverse (20211101210002), we get a palindrome (40212311321204).

The spelling of 20001210111202 in words is "twenty trillion, one billion, two hundred ten million, one hundred eleven thousand, two hundred two".