112221020251 has 2 divisors, whose sum is σ = 112221020252. Its totient is φ = 112221020250.

The previous prime is 112221020221. The next prime is 112221020281. The reversal of 112221020251 is 152020122211.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (112221020221) and next prime (112221020281).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221020251 is a prime.

It is not a weakly prime, because it can be changed into another prime (112221020221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110510125 + 56110510126.

It is an arithmetic number, because the mean of its divisors is an integer number (56110510126).

Almost surely, 2^112221020251 is an apocalyptic number.

112221020251 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221020251 is an equidigital number, since it uses as much as digits as its factorization.

112221020251 is an evil number, because the sum of its binary digits is even.

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

Adding to 112221020251 its reverse (152020122211), we get a palindrome (264241142462).

The spelling of 112221020251 in words is "one hundred twelve billion, two hundred twenty-one million, twenty thousand, two hundred fifty-one".