112020220111021 has 4 divisors (see below), whose sum is σ = 118609644823452. Its totient is φ = 105430795398592.

The previous prime is 112020220110989. The next prime is 112020220111027. The reversal of 112020220111021 is 120111022020211.

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 39210076622025 + 72810143488996 = 6261795^2 + 8532886^2 .

It is a cyclic number.

It is not a de Polignac number, because 112020220111021 - 2⁵ = 112020220110989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112020220110986 and 112020220111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020220111027) 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, 3294712356190 + ... + 3294712356223.

It is an arithmetic number, because the mean of its divisors is an integer number (29652411205863).

Almost surely, 2^{112020220111021} is an apocalyptic number.

It is an amenable number.

112020220111021 is a deficient number, since it is larger than the sum of its proper divisors (6589424712431).

112020220111021 is an equidigital number, since it uses as much as digits as its factorization.

112020220111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6589424712430.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112020220111021 its reverse (120111022020211), we get a palindrome (232131242131232).

The spelling of 112020220111021 in words is "one hundred twelve trillion, twenty billion, two hundred twenty million, one hundred eleven thousand, twenty-one".