220411121 has 16 divisors (see below), whose sum is σ = 259529088. Its totient is φ = 183254400.

The previous prime is 220411099. The next prime is 220411127. The reversal of 220411121 is 121114022.

It is a happy number.

220411121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220411121 - 2⁶ = 220411057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220411096 and 220411105.

It is not an unprimeable number, because it can be changed into a prime (220411127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49826 + ... + 54068.

It is an arithmetic number, because the mean of its divisors is an integer number (16220568).

Almost surely, 2^220411121 is an apocalyptic number.

It is an amenable number.

220411121 is a deficient number, since it is larger than the sum of its proper divisors (39117967).

220411121 is a wasteful number, since it uses less digits than its factorization.

220411121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 220411121 is about 14846.2493916814. The cubic root of 220411121 is about 604.0568790272.

Adding to 220411121 its reverse (121114022), we get a palindrome (341525143).

The spelling of 220411121 in words is "two hundred twenty million, four hundred eleven thousand, one hundred twenty-one".