121222201007 has 2 divisors, whose sum is σ = 121222201008. Its totient is φ = 121222201006.

The previous prime is 121222200997. The next prime is 121222201057. The reversal of 121222201007 is 700102222121.

It is a weak prime.

It is an emirp because it is prime and its reverse (700102222121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121222201007 - 2⁴ = 121222200991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121222201007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121222201057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611100503 + 60611100504.

It is an arithmetic number, because the mean of its divisors is an integer number (60611100504).

Almost surely, 2^121222201007 is an apocalyptic number.

121222201007 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222201007 is an equidigital number, since it uses as much as digits as its factorization.

121222201007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 121222201007 its reverse (700102222121), we get a palindrome (821324423128).

The spelling of 121222201007 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred one thousand, seven".