21103220301120 has 168 divisors, whose sum is σ = 75742210492416. Its totient is φ = 5382850378752.

The previous prime is 21103220301103. The next prime is 21103220301131. The reversal of 21103220301120 is 2110302230112.

21103220301120 is a `hidden beast` number, since 21 + 1 + 0 + 3 + 220 + 301 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21103220301093 and 21103220301102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159227392 + ... + 159359871.

Almost surely, 2^{21103220301120} is an apocalyptic number.

21103220301120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21103220301120 is an abundant number, since it is smaller than the sum of its proper divisors (54638990191296).

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

21103220301120 is a wasteful number, since it uses less digits than its factorization.

21103220301120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318587309 (or 318587296 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21103220301120 its reverse (2110302230112), we get a palindrome (23213522531232).

The spelling of 21103220301120 in words is "twenty-one trillion, one hundred three billion, two hundred twenty million, three hundred one thousand, one hundred twenty".