2103222100120 has 32 divisors (see below), whose sum is σ = 4778193906720. Its totient is φ = 833120985600.

The previous prime is 2103222100069. The next prime is 2103222100127. The reversal of 2103222100120 is 210012223012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2103222100094 and 2103222100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103222100127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255241281 + ... + 255249520.

It is an arithmetic number, because the mean of its divisors is an integer number (149318559585).

Almost surely, 2^{2103222100120} is an apocalyptic number.

2103222100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103222100120 is an abundant number, since it is smaller than the sum of its proper divisors (2674971806600).

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

2103222100120 is a wasteful number, since it uses less digits than its factorization.

2103222100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510490915 (or 510490911 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2103222100120 its reverse (210012223012), we get a palindrome (2313234323132).

The spelling of 2103222100120 in words is "two trillion, one hundred three billion, two hundred twenty-two million, one hundred thousand, one hundred twenty".