1220012110151 has 2 divisors, whose sum is σ = 1220012110152. Its totient is φ = 1220012110150.

The previous prime is 1220012110117. The next prime is 1220012110153. The reversal of 1220012110151 is 1510112100221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220012110151 is a prime.

Together with 1220012110153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220012110153) 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, 610006055075 + 610006055076.

It is an arithmetic number, because the mean of its divisors is an integer number (610006055076).

Almost surely, 2^{1220012110151} is an apocalyptic number.

1220012110151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220012110151 is an equidigital number, since it uses as much as digits as its factorization.

1220012110151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 1220012110151 its reverse (1510112100221), we get a palindrome (2730124210372).

The spelling of 1220012110151 in words is "one trillion, two hundred twenty billion, twelve million, one hundred ten thousand, one hundred fifty-one".