220111021211120 has 40 divisors (see below), whose sum is σ = 551124133881216. Its totient is φ = 81271761677568.

The previous prime is 220111021211101. The next prime is 220111021211129. The reversal of 220111021211120 is 21112120111022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×220111021211120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111021211129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105822605312 + ... + 105822607391.

Almost surely, 2^{220111021211120} is an apocalyptic number.

220111021211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111021211120 is an abundant number, since it is smaller than the sum of its proper divisors (331013112670096).

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

220111021211120 is a wasteful number, since it uses less digits than its factorization.

220111021211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211645212729 (or 211645212723 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 220111021211120 its reverse (21112120111022), we get a palindrome (241223141322142).

The spelling of 220111021211120 in words is "two hundred twenty trillion, one hundred eleven billion, twenty-one million, two hundred eleven thousand, one hundred twenty".