102121322 has 16 divisors (see below), whose sum is σ = 154915200. Its totient is φ = 50486352.

The previous prime is 102121303. The next prime is 102121339. The reversal of 102121322 is 223121201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102121297 and 102121306.

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, 77723 + ... + 79025.

It is an arithmetic number, because the mean of its divisors is an integer number (9682200).

Almost surely, 2^102121322 is an apocalyptic number.

102121322 is a deficient number, since it is larger than the sum of its proper divisors (52793878).

102121322 is a wasteful number, since it uses less digits than its factorization.

102121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102121322 is about 10105.5094874034. The cubic root of 102121322 is about 467.4180465835.

Adding to 102121322 its reverse (223121201), we get a palindrome (325242523).

The spelling of 102121322 in words is "one hundred two million, one hundred twenty-one thousand, three hundred twenty-two".