100202122 has 12 divisors (see below), whose sum is σ = 157123890. Its totient is φ = 47922248.

The previous prime is 100202117. The next prime is 100202147. The reversal of 100202122 is 221202001.

It can be written as a sum of positive squares in only one way, i.e., 81703521 + 18498601 = 9039^2 + 4301^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100202099 and 100202108.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46297 + ... + 48412.

Almost surely, 2^100202122 is an apocalyptic number.

100202122 is a deficient number, since it is larger than the sum of its proper divisors (56921768).

100202122 is an equidigital number, since it uses as much as digits as its factorization.

100202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94757 (or 94734 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 100202122 is about 10010.1009984915. The cubic root of 100202122 is about 464.4713953100.

Adding to 100202122 its reverse (221202001), we get a palindrome (321404123).

The spelling of 100202122 in words is "one hundred million, two hundred two thousand, one hundred twenty-two".