20011101211110 has 64 divisors (see below), whose sum is σ = 49144902681600. Its totient is φ = 5212049445120.

The previous prime is 20011101211093. The next prime is 20011101211141. The reversal of 20011101211110 is 1111210111002.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51135466 + ... + 51525314.

It is an arithmetic number, because the mean of its divisors is an integer number (767889104400).

Almost surely, 2^{20011101211110} is an apocalyptic number.

20011101211110 is an abundant number, since it is smaller than the sum of its proper divisors (29133801470490).

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

20011101211110 is a wasteful number, since it uses less digits than its factorization.

20011101211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429693.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 20011101211110 its reverse (1111210111002), we get a palindrome (21122311322112).

The spelling of 20011101211110 in words is "twenty trillion, eleven billion, one hundred one million, two hundred eleven thousand, one hundred ten".