111022020002101 has 4 divisors (see below), whose sum is σ = 119562175386892. Its totient is φ = 102481864617312.

The previous prime is 111022020002093. The next prime is 111022020002177. The reversal of 111022020002101 is 101200020220111.

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 68389608579601 + 42632411422500 = 8269801^2 + 6529350^2 .

It is a cyclic number.

It is not a de Polignac number, because 111022020002101 - 2³ = 111022020002093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 8540155384777 = 111022020002101 / (1 + 1 + 1 + 0 + 2 + 2 + 0 + 2 + 0 + 0 + 0 + 2 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022020002501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4270077692376 + ... + 4270077692401.

It is an arithmetic number, because the mean of its divisors is an integer number (29890543846723).

Almost surely, 2^{111022020002101} is an apocalyptic number.

It is an amenable number.

111022020002101 is a deficient number, since it is larger than the sum of its proper divisors (8540155384791).

111022020002101 is an equidigital number, since it uses as much as digits as its factorization.

111022020002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540155384790.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111022020002101 its reverse (101200020220111), we get a palindrome (212222040222212).

The spelling of 111022020002101 in words is "one hundred eleven trillion, twenty-two billion, twenty million, two thousand, one hundred one".