102121230230 has 16 divisors (see below), whose sum is σ = 194631050880. Its totient is φ = 38445639552.

The previous prime is 102121230227. The next prime is 102121230329. The reversal of 102121230230 is 32032121201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 102121230199 and 102121230208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300356390 + ... + 300356729.

It is an arithmetic number, because the mean of its divisors is an integer number (12164440680).

Almost surely, 2^102121230230 is an apocalyptic number.

102121230230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121230230 is a deficient number, since it is larger than the sum of its proper divisors (92509820650).

102121230230 is a wasteful number, since it uses less digits than its factorization.

102121230230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600713143.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102121230230 its reverse (32032121201), we get a palindrome (134153351431).

The spelling of 102121230230 in words is "one hundred two billion, one hundred twenty-one million, two hundred thirty thousand, two hundred thirty".