20120110224100 has 18 divisors (see below), whose sum is σ = 43660639186514. Its totient is φ = 8048044089600.

The previous prime is 20120110224089. The next prime is 20120110224101. The reversal of 20120110224100 is 142201102102.

It can be written as a sum of positive squares in 3 ways, for example, as 5305863474916 + 14814246749184 = 2303446^2 + 3848928^2 .

It is not an unprimeable number, because it can be changed into a prime (20120110224101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100600551021 + ... + 100600551220.

Almost surely, 2^{20120110224100} is an apocalyptic number.

20120110224100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120110224100 is an abundant number, since it is smaller than the sum of its proper divisors (23540528962414).

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

20120110224100 is a wasteful number, since it uses less digits than its factorization.

20120110224100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201201102255 (or 201201102248 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20120110224100 its reverse (142201102102), we get a palindrome (20262311326202).

The spelling of 20120110224100 in words is "twenty trillion, one hundred twenty billion, one hundred ten million, two hundred twenty-four thousand, one hundred".