20121114427801 has 2 divisors, whose sum is σ = 20121114427802. Its totient is φ = 20121114427800.

The previous prime is 20121114427703. The next prime is 20121114427807. The reversal of 20121114427801 is 10872441112102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12771045795600 + 7350068632201 = 3573660^2 + 2711101^2 .

It is a cyclic number.

It is not a de Polignac number, because 20121114427801 - 2⁹ = 20121114427289 is a prime.

It is not a weakly prime, because it can be changed into another prime (20121114427807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060557213900 + 10060557213901.

It is an arithmetic number, because the mean of its divisors is an integer number (10060557213901).

Almost surely, 2^{20121114427801} is an apocalyptic number.

It is an amenable number.

20121114427801 is a deficient number, since it is larger than the sum of its proper divisors (1).

20121114427801 is an equidigital number, since it uses as much as digits as its factorization.

20121114427801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 34.

Adding to 20121114427801 its reverse (10872441112102), we get a palindrome (30993555539903).

The spelling of 20121114427801 in words is "twenty trillion, one hundred twenty-one billion, one hundred fourteen million, four hundred twenty-seven thousand, eight hundred one".