121101112021007 has 2 divisors, whose sum is σ = 121101112021008. Its totient is φ = 121101112021006.

The previous prime is 121101112020961. The next prime is 121101112021117. The reversal of 121101112021007 is 700120211101121.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (700120211101121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121101112021007 - 2²² = 121101107826703 is a prime.

It is a super-2 number, since 2×121101112021007² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121101112021007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121101612021007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550556010503 + 60550556010504.

It is an arithmetic number, because the mean of its divisors is an integer number (60550556010504).

Almost surely, 2^{121101112021007} is an apocalyptic number.

121101112021007 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101112021007 is an equidigital number, since it uses as much as digits as its factorization.

121101112021007 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 20.

Adding to 121101112021007 its reverse (700120211101121), we get a palindrome (821221323122128).

The spelling of 121101112021007 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred twelve million, twenty-one thousand, seven".