121421301107 has 2 divisors, whose sum is σ = 121421301108. Its totient is φ = 121421301106.

The previous prime is 121421301101. The next prime is 121421301139. The reversal of 121421301107 is 701103124121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121421301107 - 2²² = 121417106803 is a prime.

It is not a weakly prime, because it can be changed into another prime (121421301101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60710650553 + 60710650554.

It is an arithmetic number, because the mean of its divisors is an integer number (60710650554).

Almost surely, 2^121421301107 is an apocalyptic number.

121421301107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121421301107 is an equidigital number, since it uses as much as digits as its factorization.

121421301107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 121421301107 its reverse (701103124121), we get a palindrome (822524425228).

The spelling of 121421301107 in words is "one hundred twenty-one billion, four hundred twenty-one million, three hundred one thousand, one hundred seven".