112221452021 has 16 divisors (see below), whose sum is σ = 129995712000. Its totient is φ = 94886374128.

The previous prime is 112221451997. The next prime is 112221452027. The reversal of 112221452021 is 120254122211.

It is not a de Polignac number, because 112221452021 - 2¹⁰ = 112221450997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221452027) 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, 236330 + ... + 529428.

It is an arithmetic number, because the mean of its divisors is an integer number (8124732000).

Almost surely, 2^112221452021 is an apocalyptic number.

It is an amenable number.

112221452021 is a deficient number, since it is larger than the sum of its proper divisors (17774259979).

112221452021 is an equidigital number, since it uses as much as digits as its factorization.

112221452021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293848.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 112221452021 its reverse (120254122211), we get a palindrome (232475574232).

The spelling of 112221452021 in words is "one hundred twelve billion, two hundred twenty-one million, four hundred fifty-two thousand, twenty-one".