100122010 has 16 divisors (see below), whose sum is σ = 190821096. Its totient is φ = 37692928.

The previous prime is 100121981. The next prime is 100122023. The reversal of 100122010 is 10221001.

It can be written as a sum of positive squares in 4 ways, for example, as 75846681 + 24275329 = 8709^2 + 4927^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100121984 and 100122002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294307 + ... + 294646.

Almost surely, 2^100122010 is an apocalyptic number.

100122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100122010 is a deficient number, since it is larger than the sum of its proper divisors (90699086).

100122010 is a wasteful number, since it uses less digits than its factorization.

100122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588977.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 100122010 is about 10006.0986403293. The cubic root of 100122010 is about 464.3475800570.

Adding to 100122010 its reverse (10221001), we get a palindrome (110343011).

The spelling of 100122010 in words is "one hundred million, one hundred twenty-two thousand, ten".