100220022212120 has 64 divisors (see below), whose sum is σ = 226806069600000. Its totient is φ = 39855549679488.

The previous prime is 100220022212117. The next prime is 100220022212159. The reversal of 100220022212120 is 21212220022001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4296230 + ... + 14795189.

It is an arithmetic number, because the mean of its divisors is an integer number (3543844837500).

Almost surely, 2^{100220022212120} is an apocalyptic number.

100220022212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220022212120 is an abundant number, since it is smaller than the sum of its proper divisors (126586047387880).

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

100220022212120 is a wasteful number, since it uses less digits than its factorization.

100220022212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19092192 (or 19092188 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100220022212120 its reverse (21212220022001), we get a palindrome (121432242234121).

The spelling of 100220022212120 in words is "one hundred trillion, two hundred twenty billion, twenty-two million, two hundred twelve thousand, one hundred twenty".