112010221221 has 4 divisors (see below), whose sum is σ = 149346961632. Its totient is φ = 74673480812.

The previous prime is 112010221201. The next prime is 112010221241. The reversal of 112010221221 is 122122010211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122122010211 = 3 ⋅40707336737.

It is an interprime number because it is at equal distance from previous prime (112010221201) and next prime (112010221241).

It is a cyclic number.

It is not a de Polignac number, because 112010221221 - 2⁹ = 112010220709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112010221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112010221201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18668370201 + ... + 18668370206.

It is an arithmetic number, because the mean of its divisors is an integer number (37336740408).

Almost surely, 2^112010221221 is an apocalyptic number.

It is an amenable number.

112010221221 is a deficient number, since it is larger than the sum of its proper divisors (37336740411).

112010221221 is an equidigital number, since it uses as much as digits as its factorization.

112010221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37336740410.

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

Adding to 112010221221 its reverse (122122010211), we get a palindrome (234132231432).

The spelling of 112010221221 in words is "one hundred twelve billion, ten million, two hundred twenty-one thousand, two hundred twenty-one".