121121001007 has 2 divisors, whose sum is σ = 121121001008. Its totient is φ = 121121001006.

The previous prime is 121121000993. The next prime is 121121001011. The reversal of 121121001007 is 700100121121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121121001007 - 2¹⁵ = 121120968239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121121031007) 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, 60560500503 + 60560500504.

It is an arithmetic number, because the mean of its divisors is an integer number (60560500504).

Almost surely, 2^121121001007 is an apocalyptic number.

121121001007 is a deficient number, since it is larger than the sum of its proper divisors (1).

121121001007 is an equidigital number, since it uses as much as digits as its factorization.

121121001007 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 121121001007 its reverse (700100121121), we get a palindrome (821221122128).

The spelling of 121121001007 in words is "one hundred twenty-one billion, one hundred twenty-one million, one thousand, seven".