121011012120001 has 2 divisors, whose sum is σ = 121011012120002. Its totient is φ = 121011012120000.

The previous prime is 121011012119993. The next prime is 121011012120007. The reversal of 121011012120001 is 100021210110121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92401136727601 + 28609875392400 = 9612551^2 + 5348820^2 .

It is a cyclic number.

It is not a de Polignac number, because 121011012120001 - 2³ = 121011012119993 is a prime.

It is not a weakly prime, because it can be changed into another prime (121011012120007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505506060000 + 60505506060001.

It is an arithmetic number, because the mean of its divisors is an integer number (60505506060001).

Almost surely, 2^{121011012120001} is an apocalyptic number.

It is an amenable number.

121011012120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011012120001 is an equidigital number, since it uses as much as digits as its factorization.

121011012120001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121011012120001 its reverse (100021210110121), we get a palindrome (221032222230122).

The spelling of 121011012120001 in words is "one hundred twenty-one trillion, eleven billion, twelve million, one hundred twenty thousand, one".