102424400111 has 8 divisors (see below), whose sum is σ = 113081923584. Its totient is φ = 91991245720.

The previous prime is 102424400107. The next prime is 102424400137. The reversal of 102424400111 is 111004424201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102424400111 - 2² = 102424400107 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 (102424400171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56091311 + ... + 56093136.

It is an arithmetic number, because the mean of its divisors is an integer number (14135240448).

Almost surely, 2^102424400111 is an apocalyptic number.

102424400111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102424400111 is a deficient number, since it is larger than the sum of its proper divisors (10657523473).

102424400111 is a wasteful number, since it uses less digits than its factorization.

102424400111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112184541.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102424400111 its reverse (111004424201), we get a palindrome (213428824312).

The spelling of 102424400111 in words is "one hundred two billion, four hundred twenty-four million, four hundred thousand, one hundred eleven".