100022221220120 has 64 divisors (see below), whose sum is σ = 226395492855840. Its totient is φ = 39769780556800.

The previous prime is 100022221220093. The next prime is 100022221220167. The reversal of 100022221220120 is 21022122220001.

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, 33738155 + ... + 36582885.

Almost surely, 2^{100022221220120} is an apocalyptic number.

100022221220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100022221220120 is an abundant number, since it is smaller than the sum of its proper divisors (126373271635720).

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

100022221220120 is a wasteful number, since it uses less digits than its factorization.

100022221220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849996 (or 2849992 counting only the distinct ones).

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

Adding to 100022221220120 its reverse (21022122220001), we get a palindrome (121044343440121).

The spelling of 100022221220120 in words is "one hundred trillion, twenty-two billion, two hundred twenty-one million, two hundred twenty thousand, one hundred twenty".