102124322421 has 32 divisors (see below), whose sum is σ = 152252006400. Its totient is φ = 60365249280.

The previous prime is 102124322393. The next prime is 102124322483. The reversal of 102124322421 is 124223421201.

It is not a de Polignac number, because 102124322421 - 2⁵ = 102124322389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102124322391 and 102124322400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102124322491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40765 + ... + 453773.

It is an arithmetic number, because the mean of its divisors is an integer number (4757875200).

Almost surely, 2^102124322421 is an apocalyptic number.

102124322421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102124322421 is a deficient number, since it is larger than the sum of its proper divisors (50127683979).

102124322421 is a wasteful number, since it uses less digits than its factorization.

102124322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413209.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102124322421 its reverse (124223421201), we get a palindrome (226347743622).

The spelling of 102124322421 in words is "one hundred two billion, one hundred twenty-four million, three hundred twenty-two thousand, four hundred twenty-one".