100012220020100 has 36 divisors (see below), whose sum is σ = 217030368781968. Its totient is φ = 40004178084000.

The previous prime is 100012220020093. The next prime is 100012220020103. The reversal of 100012220020100 is 1020022210001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100012220020103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3192686 + ... + 14498885.

Almost surely, 2^{100012220020100} is an apocalyptic number.

100012220020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100012220020100 is an abundant number, since it is smaller than the sum of its proper divisors (117018148761868).

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

100012220020100 is a wasteful number, since it uses less digits than its factorization.

100012220020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17748116 (or 17748109 counting only the distinct ones).

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

Adding to 100012220020100 its reverse (1020022210001), we get a palindrome (101032242230101).

The spelling of 100012220020100 in words is "one hundred trillion, twelve billion, two hundred twenty million, twenty thousand, one hundred".