100012021222210 has 32 divisors (see below), whose sum is σ = 180073870945200. Its totient is φ = 39993202909440.

The previous prime is 100012021222177. The next prime is 100012021222229. The reversal of 100012021222210 is 12222120210001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 67934965299289 + 32077055922921 = 8242267^2 + 5663661^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505673940 + ... + 505871680.

Almost surely, 2^{100012021222210} is an apocalyptic number.

100012021222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100012021222210 is a deficient number, since it is larger than the sum of its proper divisors (80061849722990).

100012021222210 is a wasteful number, since it uses less digits than its factorization.

100012021222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212166.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100012021222210 its reverse (12222120210001), we get a palindrome (112234141432211).

The spelling of 100012021222210 in words is "one hundred trillion, twelve billion, twenty-one million, two hundred twenty-two thousand, two hundred ten".