100100121121207 has 2 divisors, whose sum is σ = 100100121121208. Its totient is φ = 100100121121206.

The previous prime is 100100121121177. The next prime is 100100121121229. The reversal of 100100121121207 is 702121121001001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100100121121207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100100121121237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050060560603 + 50050060560604.

It is an arithmetic number, because the mean of its divisors is an integer number (50050060560604).

Almost surely, 2^{100100121121207} is an apocalyptic number.

100100121121207 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100121121207 is an equidigital number, since it uses as much as digits as its factorization.

100100121121207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 100100121121207 its reverse (702121121001001), we get a palindrome (802221242122208).

The spelling of 100100121121207 in words is "one hundred trillion, one hundred billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred seven".