20112010221120 has 112 divisors (see below), whose sum is σ = 63895373278848. Its totient is φ = 5359864913920.

The previous prime is 20112010221097. The next prime is 20112010221131. The reversal of 20112010221120 is 2112201021102.

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 20112010221120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4975641 + ... + 8061080.

Almost surely, 2^{20112010221120} is an apocalyptic number.

20112010221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112010221120 is an abundant number, since it is smaller than the sum of its proper divisors (43783363057728).

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

20112010221120 is a wasteful number, since it uses less digits than its factorization.

20112010221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13038348 (or 13038338 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20112010221120 its reverse (2112201021102), we get a palindrome (22224211242222).

The spelling of 20112010221120 in words is "twenty trillion, one hundred twelve billion, ten million, two hundred twenty-one thousand, one hundred twenty".