111012120001101 has 128 divisors (see below), whose sum is σ = 172121259847680. Its totient is φ = 63021369600000.

The previous prime is 111012120001049. The next prime is 111012120001103. The reversal of 111012120001101 is 101100021210111.

It is not a de Polignac number, because 111012120001101 - 2¹⁹ = 111012119476813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012120001103) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1118561841 + ... + 1118661081.

It is an arithmetic number, because the mean of its divisors is an integer number (1344697342560).

Almost surely, 2^{111012120001101} is an apocalyptic number.

111012120001101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111012120001101 is a deficient number, since it is larger than the sum of its proper divisors (61109139846579).

111012120001101 is a wasteful number, since it uses less digits than its factorization.

111012120001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99619.

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

Adding to 111012120001101 its reverse (101100021210111), we get a palindrome (212112141211212).

The spelling of 111012120001101 in words is "one hundred eleven trillion, twelve billion, one hundred twenty million, one thousand, one hundred one".