102102110311 has 2 divisors, whose sum is σ = 102102110312. Its totient is φ = 102102110310.

The previous prime is 102102110309. The next prime is 102102110359. The reversal of 102102110311 is 113011201201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102102110311 - 2¹ = 102102110309 is a prime.

It is a super-2 number, since 2×102102110311² (a number of 23 digits) contains 22 as substring.

Together with 102102110309, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 102102110291 and 102102110300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102102210311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051055155 + 51051055156.

It is an arithmetic number, because the mean of its divisors is an integer number (51051055156).

Almost surely, 2^102102110311 is an apocalyptic number.

102102110311 is a deficient number, since it is larger than the sum of its proper divisors (1).

102102110311 is an equidigital number, since it uses as much as digits as its factorization.

102102110311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 102102110311 its reverse (113011201201), we get a palindrome (215113311512).

The spelling of 102102110311 in words is "one hundred two billion, one hundred two million, one hundred ten thousand, three hundred eleven".