20122101122087 has 2 divisors, whose sum is σ = 20122101122088. Its totient is φ = 20122101122086.

The previous prime is 20122101122059. The next prime is 20122101122141. The reversal of 20122101122087 is 78022110122102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20122101122087 - 2²⁰ = 20122100073511 is a prime.

It is a super-3 number, since 3×20122101122087³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122101122887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061050561043 + 10061050561044.

It is an arithmetic number, because the mean of its divisors is an integer number (10061050561044).

Almost surely, 2^{20122101122087} is an apocalyptic number.

20122101122087 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122101122087 is an equidigital number, since it uses as much as digits as its factorization.

20122101122087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 29.

Adding to 20122101122087 its reverse (78022110122102), we get a palindrome (98144211244189).

The spelling of 20122101122087 in words is "twenty trillion, one hundred twenty-two billion, one hundred one million, one hundred twenty-two thousand, eighty-seven".