100222420120 has 16 divisors (see below), whose sum is σ = 225500445360. Its totient is φ = 40088968032.

The previous prime is 100222420117. The next prime is 100222420141. The reversal of 100222420120 is 21024222001.

It is a junction number, because it is equal to n+sod(n) for n = 100222420094 and 100222420103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252780212 + ... + 1252780291.

It is an arithmetic number, because the mean of its divisors is an integer number (14093777835).

Almost surely, 2^100222420120 is an apocalyptic number.

100222420120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222420120 is an abundant number, since it is smaller than the sum of its proper divisors (125278025240).

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

100222420120 is a wasteful number, since it uses less digits than its factorization.

100222420120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505560514 (or 2505560510 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 100222420120 its reverse (21024222001), we get a palindrome (121246642121).

The spelling of 100222420120 in words is "one hundred billion, two hundred twenty-two million, four hundred twenty thousand, one hundred twenty".