102230121 has 16 divisors (see below), whose sum is σ = 158960000. Its totient is φ = 58416624.

The previous prime is 102230069. The next prime is 102230153. The reversal of 102230121 is 121032201.

It is not a de Polignac number, because 102230121 - 2⁹ = 102229609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102230097 and 102230106.

It is not an unprimeable number, because it can be changed into a prime (102230521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48646 + ... + 50703.

It is an arithmetic number, because the mean of its divisors is an integer number (9935000).

Almost surely, 2^102230121 is an apocalyptic number.

It is an amenable number.

102230121 is a deficient number, since it is larger than the sum of its proper divisors (56729879).

102230121 is an frugal number, since it uses more digits than its factorization.

102230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99373 (or 99359 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 102230121 is about 10110.8912070104. The cubic root of 102230121 is about 467.5839817860.

Adding to 102230121 its reverse (121032201), we get a palindrome (223262322).

The spelling of 102230121 in words is "one hundred two million, two hundred thirty thousand, one hundred twenty-one".