121102122210001 has 2 divisors, whose sum is σ = 121102122210002. Its totient is φ = 121102122210000.

The previous prime is 121102122209989. The next prime is 121102122210023. The reversal of 121102122210001 is 100012221201121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84055909576401 + 37046212633600 = 9168201^2 + 6086560^2 .

It is a cyclic number.

It is not a de Polignac number, because 121102122210001 - 2²¹ = 121102120112849 is a prime.

It is not a weakly prime, because it can be changed into another prime (121102122210401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551061105000 + 60551061105001.

It is an arithmetic number, because the mean of its divisors is an integer number (60551061105001).

Almost surely, 2^{121102122210001} is an apocalyptic number.

It is an amenable number.

121102122210001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102122210001 is an equidigital number, since it uses as much as digits as its factorization.

121102122210001 is an odious number, because the sum of its binary digits is odd.

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

Adding to 121102122210001 its reverse (100012221201121), we get a palindrome (221114343411122).

The spelling of 121102122210001 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred twenty-two million, two hundred ten thousand, one".