20110010101111 has 16 divisors (see below), whose sum is σ = 24192621043200. Its totient is φ = 16329846824928.

The previous prime is 20110010101099. The next prime is 20110010101183. The reversal of 20110010101111 is 11110101001102.

It is not a de Polignac number, because 20110010101111 - 2¹³ = 20110010092919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110010131111) 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, 40916421 + ... + 41404993.

It is an arithmetic number, because the mean of its divisors is an integer number (1512038815200).

Almost surely, 2^{20110010101111} is an apocalyptic number.

20110010101111 is a deficient number, since it is larger than the sum of its proper divisors (4082610942089).

20110010101111 is a wasteful number, since it uses less digits than its factorization.

20110010101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798078.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 20110010101111 its reverse (11110101001102), we get a palindrome (31220111102213).

The spelling of 20110010101111 in words is "twenty trillion, one hundred ten billion, ten million, one hundred one thousand, one hundred eleven".