102123313011 has 12 divisors (see below), whose sum is σ = 148971962880. Its totient is φ = 67408126800.

The previous prime is 102123313003. The next prime is 102123313021. The reversal of 102123313011 is 110313321201.

102123313011 is a `hidden beast` number, since 10 + 21 + 2 + 331 + 301 + 1 = 666.

It is not a de Polignac number, because 102123313011 - 2³ = 102123313003 is a prime.

It is a super-2 number, since 2×102123313011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102123313001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56172531 + ... + 56174348.

It is an arithmetic number, because the mean of its divisors is an integer number (12414330240).

Almost surely, 2^102123313011 is an apocalyptic number.

102123313011 is a deficient number, since it is larger than the sum of its proper divisors (46848649869).

102123313011 is a wasteful number, since it uses less digits than its factorization.

102123313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112346986 (or 112346983 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 102123313011 its reverse (110313321201), we get a palindrome (212436634212).

The spelling of 102123313011 in words is "one hundred two billion, one hundred twenty-three million, three hundred thirteen thousand, eleven".