101202070121 has 2 divisors, whose sum is σ = 101202070122. Its totient is φ = 101202070120.

The previous prime is 101202070111. The next prime is 101202070127. The reversal of 101202070121 is 121070202101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60947265625 + 40254804496 = 246875^2 + 200636^2 .

It is a cyclic number.

It is not a de Polignac number, because 101202070121 - 2¹⁰ = 101202069097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101202070121.

It is not a weakly prime, because it can be changed into another prime (101202070127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50601035060 + 50601035061.

It is an arithmetic number, because the mean of its divisors is an integer number (50601035061).

Almost surely, 2^101202070121 is an apocalyptic number.

It is an amenable number.

101202070121 is a deficient number, since it is larger than the sum of its proper divisors (1).

101202070121 is an equidigital number, since it uses as much as digits as its factorization.

101202070121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 101202070121 its reverse (121070202101), we get a palindrome (222272272222).

The spelling of 101202070121 in words is "one hundred one billion, two hundred two million, seventy thousand, one hundred twenty-one".