102121234430 has 8 divisors (see below), whose sum is σ = 183818221992. Its totient is φ = 40848493768.

The previous prime is 102121234427. The next prime is 102121234451. The reversal of 102121234430 is 34432121201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102121234396 and 102121234405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5106061712 + ... + 5106061731.

It is an arithmetic number, because the mean of its divisors is an integer number (22977277749).

Almost surely, 2^102121234430 is an apocalyptic number.

102121234430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121234430 is a deficient number, since it is larger than the sum of its proper divisors (81696987562).

102121234430 is a wasteful number, since it uses less digits than its factorization.

102121234430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212123450.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102121234430 its reverse (34432121201), we get a palindrome (136553355631).

The spelling of 102121234430 in words is "one hundred two billion, one hundred twenty-one million, two hundred thirty-four thousand, four hundred thirty".