2120220230100 has 144 divisors (see below), whose sum is σ = 7011684556800. Its totient is φ = 484564878720.

The previous prime is 2120220230053. The next prime is 2120220230111. The reversal of 2120220230100 is 10320220212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2120220230100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19347261 + ... + 19456539.

Almost surely, 2^{2120220230100} is an apocalyptic number.

2120220230100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120220230100 is an abundant number, since it is smaller than the sum of its proper divisors (4891464326700).

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

2120220230100 is a wasteful number, since it uses less digits than its factorization.

2120220230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118542 (or 118535 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2120220230100 its reverse (10320220212), we get a palindrome (2130540450312).

The spelling of 2120220230100 in words is "two trillion, one hundred twenty billion, two hundred twenty million, two hundred thirty thousand, one hundred".