111022012012101 has 4 divisors (see below), whose sum is σ = 148029349349472. Its totient is φ = 74014674674732.

The previous prime is 111022012012081. The next prime is 111022012012129. The reversal of 111022012012101 is 101210210220111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111022012012101 - 2³⁷ = 110884573058629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022012082101) 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, 18503668668681 + ... + 18503668668686.

It is an arithmetic number, because the mean of its divisors is an integer number (37007337337368).

Almost surely, 2^{111022012012101} is an apocalyptic number.

It is an amenable number.

111022012012101 is a deficient number, since it is larger than the sum of its proper divisors (37007337337371).

111022012012101 is an equidigital number, since it uses as much as digits as its factorization.

111022012012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37007337337370.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111022012012101 its reverse (101210210220111), we get a palindrome (212232222232212).

The spelling of 111022012012101 in words is "one hundred eleven trillion, twenty-two billion, twelve million, twelve thousand, one hundred one".