111022010120101 has 4 divisors (see below), whose sum is σ = 117552716597772. Its totient is φ = 104491303642432.

The previous prime is 111022010120069. The next prime is 111022010120123. The reversal of 111022010120101 is 101021010220111.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32671169856900 + 78350840263201 = 5715870^2 + 8851601^2 .

It is a cyclic number.

It is not a de Polignac number, because 111022010120101 - 2⁵ = 111022010120069 is a prime.

It is a super-2 number, since 2×111022010120101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022010124101) 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, 3265353238810 + ... + 3265353238843.

It is an arithmetic number, because the mean of its divisors is an integer number (29388179149443).

Almost surely, 2^{111022010120101} is an apocalyptic number.

It is an amenable number.

111022010120101 is a deficient number, since it is larger than the sum of its proper divisors (6530706477671).

111022010120101 is an equidigital number, since it uses as much as digits as its factorization.

111022010120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6530706477670.

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

Adding to 111022010120101 its reverse (101021010220111), we get a palindrome (212043020340212).

The spelling of 111022010120101 in words is "one hundred eleven trillion, twenty-two billion, ten million, one hundred twenty thousand, one hundred one".