201210121001093 has 2 divisors, whose sum is σ = 201210121001094. Its totient is φ = 201210121001092.

The previous prime is 201210121001069. The next prime is 201210121001261. The reversal of 201210121001093 is 390100121012102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101765786937409 + 99444334063684 = 10087903^2 + 9972178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201210121001093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201210121001023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605060500546 + 100605060500547.

It is an arithmetic number, because the mean of its divisors is an integer number (100605060500547).

Almost surely, 2^{201210121001093} is an apocalyptic number.

It is an amenable number.

201210121001093 is a deficient number, since it is larger than the sum of its proper divisors (1).

201210121001093 is an equidigital number, since it uses as much as digits as its factorization.

201210121001093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 201210121001093 its reverse (390100121012102), we get a palindrome (591310242013195).

The spelling of 201210121001093 in words is "two hundred one trillion, two hundred ten billion, one hundred twenty-one million, one thousand, ninety-three".