121202201211001 has 2 divisors, whose sum is σ = 121202201211002. Its totient is φ = 121202201211000.

The previous prime is 121202201210983. The next prime is 121202201211043. The reversal of 121202201211001 is 100112102202121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81391792627600 + 39810408583401 = 9021740^2 + 6309549^2 .

It is a cyclic number.

It is not a de Polignac number, because 121202201211001 - 2⁷ = 121202201210873 is a prime.

It is not a weakly prime, because it can be changed into another prime (121202201211071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601100605500 + 60601100605501.

It is an arithmetic number, because the mean of its divisors is an integer number (60601100605501).

Almost surely, 2^{121202201211001} is an apocalyptic number.

It is an amenable number.

121202201211001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202201211001 is an equidigital number, since it uses as much as digits as its factorization.

121202201211001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121202201211001 its reverse (100112102202121), we get a palindrome (221314303413122).

The spelling of 121202201211001 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred one million, two hundred eleven thousand, one".