112012222120221 has 16 divisors (see below), whose sum is σ = 149372194688640. Its totient is φ = 74663532725760.

The previous prime is 112012222120177. The next prime is 112012222120243. The reversal of 112012222120221 is 122021222210211.

It is not a de Polignac number, because 112012222120221 - 2⁷ = 112012222120093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012222124221) 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, 1441912501 + ... + 1441990181.

It is an arithmetic number, because the mean of its divisors is an integer number (9335762168040).

Almost surely, 2^{112012222120221} is an apocalyptic number.

It is an amenable number.

112012222120221 is a deficient number, since it is larger than the sum of its proper divisors (37359972568419).

112012222120221 is an equidigital number, since it uses as much as digits as its factorization.

112012222120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144116.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112012222120221 its reverse (122021222210211), we get a palindrome (234033444330432).

The spelling of 112012222120221 in words is "one hundred twelve trillion, twelve billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty-one".