20212220111120 has 160 divisors (see below), whose sum is σ = 52420613616000. Its totient is φ = 7214878863360.

The previous prime is 20212220111117. The next prime is 20212220111123. The reversal of 20212220111120 is 2111102221202.

It is an interprime number because it is at equal distance from previous prime (20212220111117) and next prime (20212220111123).

It is not an unprimeable number, because it can be changed into a prime (20212220111123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3784610 + ... + 7399169.

It is an arithmetic number, because the mean of its divisors is an integer number (327628835100).

Almost surely, 2^{20212220111120} is an apocalyptic number.

20212220111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212220111120 is an abundant number, since it is smaller than the sum of its proper divisors (32208393504880).

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

20212220111120 is a wasteful number, since it uses less digits than its factorization.

20212220111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11183881 (or 11183875 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20212220111120 its reverse (2111102221202), we get a palindrome (22323322332322).

The spelling of 20212220111120 in words is "twenty trillion, two hundred twelve billion, two hundred twenty million, one hundred eleven thousand, one hundred twenty".