102155313011 has 2 divisors, whose sum is σ = 102155313012. Its totient is φ = 102155313010.

The previous prime is 102155312993. The next prime is 102155313101. The reversal of 102155313011 is 110313551201.

Together with next prime (102155313101) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102155313011 - 2¹⁸ = 102155050867 is a prime.

It is a super-2 number, since 2×102155313011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102155313811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51077656505 + 51077656506.

It is an arithmetic number, because the mean of its divisors is an integer number (51077656506).

Almost surely, 2^102155313011 is an apocalyptic number.

102155313011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102155313011 is an equidigital number, since it uses as much as digits as its factorization.

102155313011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 23.

Adding to 102155313011 its reverse (110313551201), we get a palindrome (212468864212).

The spelling of 102155313011 in words is "one hundred two billion, one hundred fifty-five million, three hundred thirteen thousand, eleven".