102001022203121 has 2 divisors, whose sum is σ = 102001022203122. Its totient is φ = 102001022203120.

The previous prime is 102001022203099. The next prime is 102001022203123. The reversal of 102001022203121 is 121302220100201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53818876738225 + 48182145464896 = 7336135^2 + 6941336^2 .

It is a cyclic number.

It is not a de Polignac number, because 102001022203121 - 2⁶ = 102001022203057 is a prime.

Together with 102001022203123, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102001022203121.

It is not a weakly prime, because it can be changed into another prime (102001022203123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000511101560 + 51000511101561.

It is an arithmetic number, because the mean of its divisors is an integer number (51000511101561).

Almost surely, 2^{102001022203121} is an apocalyptic number.

It is an amenable number.

102001022203121 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001022203121 is an equidigital number, since it uses as much as digits as its factorization.

102001022203121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102001022203121 its reverse (121302220100201), we get a palindrome (223303242303322).

The spelling of 102001022203121 in words is "one hundred two trillion, one billion, twenty-two million, two hundred three thousand, one hundred twenty-one".