202122110 has 16 divisors (see below), whose sum is σ = 364111632. Its totient is φ = 80784000.

The previous prime is 202122073. The next prime is 202122113. The reversal of 202122110 is 11221202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202122091 and 202122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6185 + ... + 21035.

It is an arithmetic number, because the mean of its divisors is an integer number (22756977).

Almost surely, 2^202122110 is an apocalyptic number.

202122110 is a deficient number, since it is larger than the sum of its proper divisors (161989522).

202122110 is a wasteful number, since it uses less digits than its factorization.

202122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16219.

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

The square root of 202122110 is about 14216.9655693471. The cubic root of 202122110 is about 586.8646374027.

Adding to 202122110 its reverse (11221202), we get a palindrome (213343312).

It can be divided in two parts, 20212 and 2110, that added together give a palindrome (22322).

The spelling of 202122110 in words is "two hundred two million, one hundred twenty-two thousand, one hundred ten".