102121020003311 has 2 divisors, whose sum is σ = 102121020003312. Its totient is φ = 102121020003310.

The previous prime is 102121020003271. The next prime is 102121020003319. The reversal of 102121020003311 is 113300020121201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102121020003311 - 2³⁸ = 101846142096367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102121020003311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102121020003319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060510001655 + 51060510001656.

It is an arithmetic number, because the mean of its divisors is an integer number (51060510001656).

Almost surely, 2^{102121020003311} is an apocalyptic number.

102121020003311 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121020003311 is an equidigital number, since it uses as much as digits as its factorization.

102121020003311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102121020003311 its reverse (113300020121201), we get a palindrome (215421040124512).

The spelling of 102121020003311 in words is "one hundred two trillion, one hundred twenty-one billion, twenty million, three thousand, three hundred eleven".