100121121007 has 2 divisors, whose sum is σ = 100121121008. Its totient is φ = 100121121006.

The previous prime is 100121120993. The next prime is 100121121013. The reversal of 100121121007 is 700121121001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100121121007 - 2²³ = 100112732399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100121121307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060560503 + 50060560504.

It is an arithmetic number, because the mean of its divisors is an integer number (50060560504).

Almost surely, 2^100121121007 is an apocalyptic number.

100121121007 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121121007 is an equidigital number, since it uses as much as digits as its factorization.

100121121007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 100121121007 its reverse (700121121001), we get a palindrome (800242242008).

The spelling of 100121121007 in words is "one hundred billion, one hundred twenty-one million, one hundred twenty-one thousand, seven".