111012110112021 has 8 divisors (see below), whose sum is σ = 148017939304704. Its totient is φ = 74007177163680.

The previous prime is 111012110112011. The next prime is 111012110112049. The reversal of 111012110112021 is 120211011210111.

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

It is not a de Polignac number, because 111012110112021 - 2⁶ = 111012110111957 is a prime.

It is a super-2 number, since 2×111012110112021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012110112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223772016 + ... + 224267561.

It is an arithmetic number, because the mean of its divisors is an integer number (18502242413088).

Almost surely, 2^{111012110112021} is an apocalyptic number.

It is an amenable number.

111012110112021 is a deficient number, since it is larger than the sum of its proper divisors (37005829192683).

111012110112021 is an equidigital number, since it uses as much as digits as its factorization.

111012110112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448122171.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111012110112021 its reverse (120211011210111), we get a palindrome (231223121322132).

The spelling of 111012110112021 in words is "one hundred eleven trillion, twelve billion, one hundred ten million, one hundred twelve thousand, twenty-one".