112102120221 has 64 divisors (see below), whose sum is σ = 197149360128. Its totient is φ = 55031125248.

The previous prime is 112102120201. The next prime is 112102120241. The reversal of 112102120221 is 122021201211.

It is an interprime number because it is at equal distance from previous prime (112102120201) and next prime (112102120241).

It is not a de Polignac number, because 112102120221 - 2⁹ = 112102119709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112102120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102120201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8941 + ... + 473586.

It is an arithmetic number, because the mean of its divisors is an integer number (3080458752).

Almost surely, 2^112102120221 is an apocalyptic number.

It is an amenable number.

112102120221 is a deficient number, since it is larger than the sum of its proper divisors (85047239907).

112102120221 is a wasteful number, since it uses less digits than its factorization.

112102120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482610.

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

Adding to 112102120221 its reverse (122021201211), we get a palindrome (234123321432).

The spelling of 112102120221 in words is "one hundred twelve billion, one hundred two million, one hundred twenty thousand, two hundred twenty-one".