1112122020021 has 8 divisors (see below), whose sum is σ = 1486527190464. Its totient is φ = 739565764800.

The previous prime is 1112122019999. The next prime is 1112122020029. The reversal of 1112122020021 is 1200202212111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1112122020021 - 2¹⁵ = 1112121987253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112122020029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462227401 + ... + 462229806.

It is an arithmetic number, because the mean of its divisors is an integer number (185815898808).

Almost surely, 2^{1112122020021} is an apocalyptic number.

It is an amenable number.

1112122020021 is a deficient number, since it is larger than the sum of its proper divisors (374405170443).

1112122020021 is an equidigital number, since it uses as much as digits as its factorization.

1112122020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924457611.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1112122020021 its reverse (1200202212111), we get a palindrome (2312324232132).

The spelling of 1112122020021 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, twenty thousand, twenty-one".