102021122 has 16 divisors (see below), whose sum is σ = 175813632. Its totient is φ = 43493280.

The previous prime is 102021113. The next prime is 102021133. The reversal of 102021122 is 221120201.

It is a happy 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, 16403 + ... + 21750.

It is an arithmetic number, because the mean of its divisors is an integer number (10988352).

Almost surely, 2^102021122 is an apocalyptic number.

102021122 is a deficient number, since it is larger than the sum of its proper divisors (73792510).

102021122 is a wasteful number, since it uses less digits than its factorization.

102021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38353.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 102021122 is about 10100.5505790526. The cubic root of 102021122 is about 467.2651218931.

Adding to 102021122 its reverse (221120201), we get a palindrome (323141323).

The spelling of 102021122 in words is "one hundred two million, twenty-one thousand, one hundred twenty-two".