20110112121011 has 8 divisors (see below), whose sum is σ = 22019859169200. Its totient is φ = 18213957579040.

The previous prime is 20110112120981. The next prime is 20110112121083. The reversal of 20110112121011 is 11012121101102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20110112121011 - 2⁶ = 20110112120947 is a prime.

It is a super-2 number, since 2×20110112121011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110112121511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3398123456 + ... + 3398129373.

It is an arithmetic number, because the mean of its divisors is an integer number (2752482396150).

Almost surely, 2^{20110112121011} is an apocalyptic number.

20110112121011 is a deficient number, since it is larger than the sum of its proper divisors (1909747048189).

20110112121011 is a wasteful number, since it uses less digits than its factorization.

20110112121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6796253109.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 20110112121011 its reverse (11012121101102), we get a palindrome (31122233222113).

The spelling of 20110112121011 in words is "twenty trillion, one hundred ten billion, one hundred twelve million, one hundred twenty-one thousand, eleven".