1112211020221 has 16 divisors (see below), whose sum is σ = 1272709313920. Its totient is φ = 952115834880.

The previous prime is 1112211020191. The next prime is 1112211020279. The reversal of 1112211020221 is 1220201122111.

It is not a de Polignac number, because 1112211020221 - 2⁵ = 1112211020189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112211020195 and 1112211020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112211020621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55156381 + ... + 55176541.

It is an arithmetic number, because the mean of its divisors is an integer number (79544332120).

Almost surely, 2^{1112211020221} is an apocalyptic number.

It is an amenable number.

1112211020221 is a deficient number, since it is larger than the sum of its proper divisors (160498293699).

1112211020221 is an equidigital number, since it uses as much as digits as its factorization.

1112211020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29764.

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

Adding to 1112211020221 its reverse (1220201122111), we get a palindrome (2332412142332).

The spelling of 1112211020221 in words is "one trillion, one hundred twelve billion, two hundred eleven million, twenty thousand, two hundred twenty-one".