20111110202010 has 48 divisors (see below), whose sum is σ = 49988424279456. Its totient is φ = 5178032965056.

The previous prime is 20111110201967. The next prime is 20111110202011. The reversal of 20111110202010 is 1020201111102.

It is not an unprimeable number, because it can be changed into a prime (20111110202011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398530264 + ... + 398580723.

It is an arithmetic number, because the mean of its divisors is an integer number (1041425505822).

Almost surely, 2^{20111110202010} is an apocalyptic number.

20111110202010 is an abundant number, since it is smaller than the sum of its proper divisors (29877314077446).

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

20111110202010 is a wasteful number, since it uses less digits than its factorization.

20111110202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797111055 (or 797111026 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20111110202010 its reverse (1020201111102), we get a palindrome (21131311313112).

The spelling of 20111110202010 in words is "twenty trillion, one hundred eleven billion, one hundred ten million, two hundred two thousand, ten".