100122021222210 has 256 divisors, whose sum is σ = 304463600824320. Its totient is φ = 23194153267200.

The previous prime is 100122021222121. The next prime is 100122021222229. The reversal of 100122021222210 is 12222120221001.

It is a happy number.

100122021222210 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 220 + 212 + 22 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1074789135 + ... + 1074882285.

It is an arithmetic number, because the mean of its divisors is an integer number (1189310940720).

Almost surely, 2^{100122021222210} is an apocalyptic number.

100122021222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100122021222210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152231800412160).

100122021222210 is an abundant number, since it is smaller than the sum of its proper divisors (204341579602110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100122021222210 is a wasteful number, since it uses less digits than its factorization.

100122021222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111210 (or 111204 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100122021222210 its reverse (12222120221001), we get a palindrome (112344141443211).

The spelling of 100122021222210 in words is "one hundred trillion, one hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, two hundred ten".