1113222526420 has 24 divisors (see below), whose sum is σ = 2338037339400. Its totient is φ = 445237575552.

The previous prime is 1113222526363. The next prime is 1113222526421. The reversal of 1113222526420 is 246252223111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24964632004 + 1088257894416 = 158002^2 + 1043196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113222526421) 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, 3036975 + ... + 3383734.

It is an arithmetic number, because the mean of its divisors is an integer number (97418222475).

Almost surely, 2^{1113222526420} is an apocalyptic number.

1113222526420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113222526420 is an abundant number, since it is smaller than the sum of its proper divisors (1224814812980).

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

1113222526420 is a wasteful number, since it uses less digits than its factorization.

1113222526420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429387 (or 6429385 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1113222526420 its reverse (246252223111), we get a palindrome (1359474749531).

The spelling of 1113222526420 in words is "one trillion, one hundred thirteen billion, two hundred twenty-two million, five hundred twenty-six thousand, four hundred twenty".