221411640711743 has 8 divisors (see below), whose sum is σ = 222169872888768. Its totient is φ = 220654250550144.

The previous prime is 221411640711733. The next prime is 221411640711757. The reversal of 221411640711743 is 347117046114122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221411640711743 - 2³² = 221407345744447 is a prime.

It is a super-2 number, since 2×221411640711743² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221411640711694 and 221411640711703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221411640711713) 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, 209977046 + ... + 211028867.

It is an arithmetic number, because the mean of its divisors is an integer number (27771234111096).

Almost surely, 2^{221411640711743} is an apocalyptic number.

221411640711743 is a deficient number, since it is larger than the sum of its proper divisors (758232177025).

221411640711743 is a wasteful number, since it uses less digits than its factorization.

221411640711743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421007713.

The product of its (nonzero) digits is 225792, while the sum is 44.

Adding to 221411640711743 its reverse (347117046114122), we get a palindrome (568528686825865).

The spelling of 221411640711743 in words is "two hundred twenty-one trillion, four hundred eleven billion, six hundred forty million, seven hundred eleven thousand, seven hundred forty-three".