221052434140023 has 16 divisors (see below), whose sum is σ = 301929280162272. Its totient is φ = 143772034112000.

The previous prime is 221052434140019. The next prime is 221052434140081. The reversal of 221052434140023 is 320041434250122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 221052434140023 - 2² = 221052434140019 is a prime.

It is a super-3 number, since 3×221052434140023³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221052434140093) 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, 2575788 + ... + 21183473.

It is an arithmetic number, because the mean of its divisors is an integer number (18870580010142).

Almost surely, 2^{221052434140023} is an apocalyptic number.

221052434140023 is a deficient number, since it is larger than the sum of its proper divisors (80876846022249).

221052434140023 is a wasteful number, since it uses less digits than its factorization.

221052434140023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23834946.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 221052434140023 its reverse (320041434250122), we get a palindrome (541093868390145).

The spelling of 221052434140023 in words is "two hundred twenty-one trillion, fifty-two billion, four hundred thirty-four million, one hundred forty thousand, twenty-three".