20111002012202 has 16 divisors (see below), whose sum is σ = 30869597262240. Its totient is φ = 9821159707632.

The previous prime is 20111002012187. The next prime is 20111002012207. The reversal of 20111002012202 is 20221020011102.

It is not an unprimeable number, because it can be changed into a prime (20111002012207) 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, 4134173 + ... + 7570560.

It is an arithmetic number, because the mean of its divisors is an integer number (1929349828890).

Almost surely, 2^{20111002012202} is an apocalyptic number.

20111002012202 is a deficient number, since it is larger than the sum of its proper divisors (10758595250038).

20111002012202 is a wasteful number, since it uses less digits than its factorization.

20111002012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11724757.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20111002012202 its reverse (20221020011102), we get a palindrome (40332022023304).

The spelling of 20111002012202 in words is "twenty trillion, one hundred eleven billion, two million, twelve thousand, two hundred two".