121021021101007 has 2 divisors, whose sum is σ = 121021021101008. Its totient is φ = 121021021101006.

The previous prime is 121021021100989. The next prime is 121021021101073. The reversal of 121021021101007 is 700101120120121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121021021101007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121021021101707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510510550503 + 60510510550504.

It is an arithmetic number, because the mean of its divisors is an integer number (60510510550504).

Almost surely, 2^{121021021101007} is an apocalyptic number.

121021021101007 is a deficient number, since it is larger than the sum of its proper divisors (1).

121021021101007 is an equidigital number, since it uses as much as digits as its factorization.

121021021101007 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 121021021101007 its reverse (700101120120121), we get a palindrome (821122141221128).

The spelling of 121021021101007 in words is "one hundred twenty-one trillion, twenty-one billion, twenty-one million, one hundred one thousand, seven".