100222122220120 has 64 divisors (see below), whose sum is σ = 233679697286400. Its totient is φ = 38644704215040.

The previous prime is 100222122220117. The next prime is 100222122220177. The reversal of 100222122220120 is 21022221222001.

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, 156927025 + ... + 157564384.

It is an arithmetic number, because the mean of its divisors is an integer number (3651245270100).

Almost surely, 2^{100222122220120} is an apocalyptic number.

100222122220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222122220120 is an abundant number, since it is smaller than the sum of its proper divisors (133457575066280).

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

100222122220120 is a wasteful number, since it uses less digits than its factorization.

100222122220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314491708 (or 314491704 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 100222122220120 its reverse (21022221222001), we get a palindrome (121244343442121).

The spelling of 100222122220120 in words is "one hundred trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty".