20111102001110 has 32 divisors (see below), whose sum is σ = 38110825006560. Its totient is φ = 7619933357568.

The previous prime is 20111102001077. The next prime is 20111102001113. The reversal of 20111102001110 is 1110020111102.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20111102001091 and 20111102001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111102001113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6447077 + ... + 9043616.

It is an arithmetic number, because the mean of its divisors is an integer number (1190963281455).

Almost surely, 2^{20111102001110} is an apocalyptic number.

20111102001110 is a deficient number, since it is larger than the sum of its proper divisors (17999723005450).

20111102001110 is a wasteful number, since it uses less digits than its factorization.

20111102001110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15497552.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20111102001110 its reverse (1110020111102), we get a palindrome (21221122112212).

The spelling of 20111102001110 in words is "twenty trillion, one hundred eleven billion, one hundred two million, one thousand, one hundred ten".