102021101202311 has 2 divisors, whose sum is σ = 102021101202312. Its totient is φ = 102021101202310.

The previous prime is 102021101202271. The next prime is 102021101202421. The reversal of 102021101202311 is 113202101120201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102021101202311 - 2¹⁸ = 102021100940167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102021101202311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102021101201311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010550601155 + 51010550601156.

It is an arithmetic number, because the mean of its divisors is an integer number (51010550601156).

Almost surely, 2^{102021101202311} is an apocalyptic number.

102021101202311 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021101202311 is an equidigital number, since it uses as much as digits as its factorization.

102021101202311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102021101202311 its reverse (113202101120201), we get a palindrome (215223202322512).

The spelling of 102021101202311 in words is "one hundred two trillion, twenty-one billion, one hundred one million, two hundred two thousand, three hundred eleven".