10120111101111 has 16 divisors (see below), whose sum is σ = 14722593770880. Its totient is φ = 6132387263520.

The previous prime is 10120111101103. The next prime is 10120111101143. The reversal of 10120111101111 is 11110111102101.

It is not a de Polignac number, because 10120111101111 - 2³ = 10120111101103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120111101101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25132321 + ... + 25531818.

It is an arithmetic number, because the mean of its divisors is an integer number (920162110680).

Almost surely, 2^{10120111101111} is an apocalyptic number.

10120111101111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10120111101111 is a deficient number, since it is larger than the sum of its proper divisors (4602482669769).

10120111101111 is a wasteful number, since it uses less digits than its factorization.

10120111101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50670206.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 10120111101111 its reverse (11110111102101), we get a palindrome (21230222203212).

The spelling of 10120111101111 in words is "ten trillion, one hundred twenty billion, one hundred eleven million, one hundred one thousand, one hundred eleven".