20111120200210 has 64 divisors (see below), whose sum is σ = 40311950321664. Its totient is φ = 7173652377600.

The previous prime is 20111120200207. The next prime is 20111120200219. The reversal of 20111120200210 is 1200202111102.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (20111120200219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1999086 + ... + 6649705.

It is an arithmetic number, because the mean of its divisors is an integer number (629874223776).

Almost surely, 2^{20111120200210} is an apocalyptic number.

20111120200210 is an abundant number, since it is smaller than the sum of its proper divisors (20200830121454).

20111120200210 is a wasteful number, since it uses less digits than its factorization.

20111120200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649419.

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

Adding to 20111120200210 its reverse (1200202111102), we get a palindrome (21311322311312).

The spelling of 20111120200210 in words is "twenty trillion, one hundred eleven billion, one hundred twenty million, two hundred thousand, two hundred ten".