102111011011253 has 2 divisors, whose sum is σ = 102111011011254. Its totient is φ = 102111011011252.

The previous prime is 102111011011213. The next prime is 102111011011259. The reversal of 102111011011253 is 352110110111201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71971163550724 + 30139847460529 = 8483582^2 + 5489977^2 .

It is a cyclic number.

It is not a de Polignac number, because 102111011011253 - 2⁸ = 102111011010997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111011011259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055505505626 + 51055505505627.

It is an arithmetic number, because the mean of its divisors is an integer number (51055505505627).

Almost surely, 2^{102111011011253} is an apocalyptic number.

It is an amenable number.

102111011011253 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111011011253 is an equidigital number, since it uses as much as digits as its factorization.

102111011011253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 20.

Adding to 102111011011253 its reverse (352110110111201), we get a palindrome (454221121122454).

The spelling of 102111011011253 in words is "one hundred two trillion, one hundred eleven billion, eleven million, eleven thousand, two hundred fifty-three".