101021010121201 has 2 divisors, whose sum is σ = 101021010121202. Its totient is φ = 101021010121200.

The previous prime is 101021010121103. The next prime is 101021010121217. The reversal of 101021010121201 is 102121010120101.

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., 60262694039025 + 40758316082176 = 7762905^2 + 6384224^2 .

It is a cyclic number.

It is not a de Polignac number, because 101021010121201 - 2¹⁵ = 101021010088433 is a prime.

It is not a weakly prime, because it can be changed into another prime (101021010121501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510505060600 + 50510505060601.

It is an arithmetic number, because the mean of its divisors is an integer number (50510505060601).

Almost surely, 2^{101021010121201} is an apocalyptic number.

It is an amenable number.

101021010121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021010121201 is an equidigital number, since it uses as much as digits as its factorization.

101021010121201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101021010121201 its reverse (102121010120101), we get a palindrome (203142020241302).

The spelling of 101021010121201 in words is "one hundred one trillion, twenty-one billion, ten million, one hundred twenty-one thousand, two hundred one".