10201210121101 has 2 divisors, whose sum is σ = 10201210121102. Its totient is φ = 10201210121100.

The previous prime is 10201210121027. The next prime is 10201210121153. The reversal of 10201210121101 is 10112101210201.

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., 6693867737001 + 3507342384100 = 2587251^2 + 1872790^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201210121101 - 2⁷ = 10201210120973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201210121171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100605060550 + 5100605060551.

It is an arithmetic number, because the mean of its divisors is an integer number (5100605060551).

Almost surely, 2^{10201210121101} is an apocalyptic number.

It is an amenable number.

10201210121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201210121101 is an equidigital number, since it uses as much as digits as its factorization.

10201210121101 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 10201210121101 its reverse (10112101210201), we get a palindrome (20313311331302).

The spelling of 10201210121101 in words is "ten trillion, two hundred one billion, two hundred ten million, one hundred twenty-one thousand, one hundred one".