20111100020202 has 32 divisors (see below), whose sum is σ = 42104474763264. Its totient is φ = 6396079057200.

The previous prime is 20111100020177. The next prime is 20111100020293. The reversal of 20111100020202 is 20202000111102.

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, 761424778 + ... + 761451189.

It is an arithmetic number, because the mean of its divisors is an integer number (1315764836352).

Almost surely, 2^{20111100020202} is an apocalyptic number.

20111100020202 is an abundant number, since it is smaller than the sum of its proper divisors (21993374743062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20111100020202 is a wasteful number, since it uses less digits than its factorization.

20111100020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522876074.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20111100020202 its reverse (20202000111102), we get a palindrome (40313100131304).

The spelling of 20111100020202 in words is "twenty trillion, one hundred eleven billion, one hundred million, twenty thousand, two hundred two".