111012123101 has 8 divisors (see below), whose sum is σ = 121107705984. Its totient is φ = 100917135520.

The previous prime is 111012123091. The next prime is 111012123143. The reversal of 111012123101 is 101321210111.

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 111012123101 - 2¹⁰ = 111012122077 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 (111012123151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299945 + ... + 558561.

It is an arithmetic number, because the mean of its divisors is an integer number (15138463248).

Almost surely, 2^111012123101 is an apocalyptic number.

111012123101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111012123101 is a deficient number, since it is larger than the sum of its proper divisors (10095582883).

111012123101 is a wasteful number, since it uses less digits than its factorization.

111012123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297651.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111012123101 its reverse (101321210111), we get a palindrome (212333333212).

The spelling of 111012123101 in words is "one hundred eleven billion, twelve million, one hundred twenty-three thousand, one hundred one".