121010112001 has 2 divisors, whose sum is σ = 121010112002. Its totient is φ = 121010112000.

The previous prime is 121010111953. The next prime is 121010112017. The reversal of 121010112001 is 100211010121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118793962225 + 2216149776 = 344665^2 + 47076^2 .

It is a cyclic number.

It is not a de Polignac number, because 121010112001 - 2²³ = 121001723393 is a prime.

It is not a weakly prime, because it can be changed into another prime (121010112401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505056000 + 60505056001.

It is an arithmetic number, because the mean of its divisors is an integer number (60505056001).

Almost surely, 2^121010112001 is an apocalyptic number.

It is an amenable number.

121010112001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010112001 is an equidigital number, since it uses as much as digits as its factorization.

121010112001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121010112001 its reverse (100211010121), we get a palindrome (221221122122).

The spelling of 121010112001 in words is "one hundred twenty-one billion, ten million, one hundred twelve thousand, one".