221123021140413 has 32 divisors (see below), whose sum is σ = 374970436377600. Its totient is φ = 126159501883248.

The previous prime is 221123021140403. The next prime is 221123021140471. The reversal of 221123021140413 is 314041120321122.

221123021140413 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 2 + 30 + 211 + 4 + 0 + 413 = 666.

It is not a de Polignac number, because 221123021140413 - 2⁵ = 221123021140381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221123021140403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909647583 + ... + 909890636.

It is an arithmetic number, because the mean of its divisors is an integer number (11717826136800).

Almost surely, 2^{221123021140413} is an apocalyptic number.

It is an amenable number.

221123021140413 is a deficient number, since it is larger than the sum of its proper divisors (153847415237187).

221123021140413 is a wasteful number, since it uses less digits than its factorization.

221123021140413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819538878 (or 1819538872 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 221123021140413 its reverse (314041120321122), we get a palindrome (535164141461535).

The spelling of 221123021140413 in words is "two hundred twenty-one trillion, one hundred twenty-three billion, twenty-one million, one hundred forty thousand, four hundred thirteen".