112021001020111 has 4 divisors (see below), whose sum is σ = 112021150645800. Its totient is φ = 112020851394424.

The previous prime is 112021001020109. The next prime is 112021001020147. The reversal of 112021001020111 is 111020100120211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112021001020111 - 2¹ = 112021001020109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112021001020091 and 112021001020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021001020151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73684156 + ... + 75189073.

It is an arithmetic number, because the mean of its divisors is an integer number (28005287661450).

Almost surely, 2^{112021001020111} is an apocalyptic number.

112021001020111 is a deficient number, since it is larger than the sum of its proper divisors (149625689).

112021001020111 is an equidigital number, since it uses as much as digits as its factorization.

112021001020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149625688.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112021001020111 its reverse (111020100120211), we get a palindrome (223041101140322).

The spelling of 112021001020111 in words is "one hundred twelve trillion, twenty-one billion, one million, twenty thousand, one hundred eleven".