121011220102207 has 2 divisors, whose sum is σ = 121011220102208. Its totient is φ = 121011220102206.

The previous prime is 121011220102187. The next prime is 121011220102231. The reversal of 121011220102207 is 702201022110121.

It is a weak prime.

It is an emirp because it is prime and its reverse (702201022110121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121011220102207 - 2⁷ = 121011220102079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121011220102607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505610051103 + 60505610051104.

It is an arithmetic number, because the mean of its divisors is an integer number (60505610051104).

Almost surely, 2^{121011220102207} is an apocalyptic number.

121011220102207 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011220102207 is an equidigital number, since it uses as much as digits as its factorization.

121011220102207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 121011220102207 its reverse (702201022110121), we get a palindrome (823212242212328).

The spelling of 121011220102207 in words is "one hundred twenty-one trillion, eleven billion, two hundred twenty million, one hundred two thousand, two hundred seven".