411111121220 has 24 divisors (see below), whose sum is σ = 865779072984. Its totient is φ = 163978597376.

The previous prime is 411111121219. The next prime is 411111121273. The reversal of 411111121220 is 22121111114.

It can be written as a sum of positive squares in 4 ways, for example, as 15912813316 + 395198307904 = 126146^2 + 628648^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29108459 + ... + 29122578.

It is an arithmetic number, because the mean of its divisors is an integer number (36074128041).

Almost surely, 2^411111121220 is an apocalyptic number.

It is an amenable number.

411111121220 is an abundant number, since it is smaller than the sum of its proper divisors (454667951764).

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

411111121220 is a wasteful number, since it uses less digits than its factorization.

411111121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58231399 (or 58231397 counting only the distinct ones).

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

Adding to 411111121220 its reverse (22121111114), we get a palindrome (433232232334).

The spelling of 411111121220 in words is "four hundred eleven billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twenty".