1112120122021 has 8 divisors (see below), whose sum is σ = 1126220691200. Its totient is φ = 1098020130480.

The previous prime is 1112120121961. The next prime is 1112120122033. The reversal of 1112120122021 is 1202210212111.

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

It is a cyclic number.

It is not a de Polignac number, because 1112120122021 - 2¹³ = 1112120113829 is a prime.

It is a super-2 number, since 2×1112120122021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112120121986 and 1112120122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112120122081) 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, 4794091 + ... + 5020711.

It is an arithmetic number, because the mean of its divisors is an integer number (140777586400).

Almost surely, 2^{1112120122021} is an apocalyptic number.

It is an amenable number.

1112120122021 is a deficient number, since it is larger than the sum of its proper divisors (14100569179).

1112120122021 is an equidigital number, since it uses as much as digits as its factorization.

1112120122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288819.

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

Adding to 1112120122021 its reverse (1202210212111), we get a palindrome (2314330334132).

The spelling of 1112120122021 in words is "one trillion, one hundred twelve billion, one hundred twenty million, one hundred twenty-two thousand, twenty-one".