102011454117 has 12 divisors (see below), whose sum is σ = 147374244160. Its totient is φ = 67996390248.

The previous prime is 102011454113. The next prime is 102011454131. The reversal of 102011454117 is 711454110201.

102011454117 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 114 + 541 + 1 + 7 = 666.

It is not a de Polignac number, because 102011454117 - 2² = 102011454113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011454113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 879517 + ... + 988722.

Almost surely, 2^102011454117 is an apocalyptic number.

It is an amenable number.

102011454117 is a deficient number, since it is larger than the sum of its proper divisors (45362790043).

102011454117 is a wasteful number, since it uses less digits than its factorization.

102011454117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874312 (or 1874309 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

Adding to 102011454117 its reverse (711454110201), we get a palindrome (813465564318).

The spelling of 102011454117 in words is "one hundred two billion, eleven million, four hundred fifty-four thousand, one hundred seventeen".