112020221251 has 2 divisors, whose sum is σ = 112020221252. Its totient is φ = 112020221250.

The previous prime is 112020221249. The next prime is 112020221263. The reversal of 112020221251 is 152122020211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112020221251 - 2¹ = 112020221249 is a prime.

Together with 112020221249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112020221281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010110625 + 56010110626.

It is an arithmetic number, because the mean of its divisors is an integer number (56010110626).

Almost surely, 2^112020221251 is an apocalyptic number.

112020221251 is a deficient number, since it is larger than the sum of its proper divisors (1).

112020221251 is an equidigital number, since it uses as much as digits as its factorization.

112020221251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 112020221251 its reverse (152122020211), we get a palindrome (264142241462).

The spelling of 112020221251 in words is "one hundred twelve billion, twenty million, two hundred twenty-one thousand, two hundred fifty-one".