1112202021 has 8 divisors (see below), whose sum is σ = 1694784064. Its totient is φ = 635544000.

The previous prime is 1112202017. The next prime is 1112202023. The reversal of 1112202021 is 1202022111.

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

It is not a de Polignac number, because 1112202021 - 2² = 1112202017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112201988 and 1112202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112202023) 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, 26480980 + ... + 26481021.

It is an arithmetic number, because the mean of its divisors is an integer number (211848008).

Almost surely, 2^1112202021 is an apocalyptic number.

It is an amenable number.

1112202021 is a deficient number, since it is larger than the sum of its proper divisors (582582043).

1112202021 is an equidigital number, since it uses as much as digits as its factorization.

1112202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52962011.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1112202021 is about 33349.6929671024. The cubic root of 1112202021 is about 1036.0830288425.

Adding to 1112202021 its reverse (1202022111), we get a palindrome (2314224132).

The spelling of 1112202021 in words is "one billion, one hundred twelve million, two hundred two thousand, twenty-one".