220111121020122 has 20 divisors (see below), whose sum is σ = 493211956360266. Its totient is φ = 73370373673320.

The previous prime is 220111121020093. The next prime is 220111121020171. The reversal of 220111121020122 is 221020121111022.

220111121020122 is a `hidden beast` number, since 2 + 201 + 111 + 210 + 20 + 122 = 666.

220111121020122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 132147186989841 + 87963934030281 = 11495529^2 + 9378909^2 .

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 = 220111121020095 and 220111121020104.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 679355311629 + ... + 679355311952.

Almost surely, 2^{220111121020122} is an apocalyptic number.

220111121020122 is an abundant number, since it is smaller than the sum of its proper divisors (273100835340144).

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

220111121020122 is a wasteful number, since it uses less digits than its factorization.

220111121020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358710623595 (or 1358710623586 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220111121020122 its reverse (221020121111022), we get a palindrome (441131242131144).

The spelling of 220111121020122 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twenty-one million, twenty thousand, one hundred twenty-two".