221411640735363 has 16 divisors (see below), whose sum is σ = 317930917189536. Its totient is φ = 136250527384320.

The previous prime is 221411640735349. The next prime is 221411640735367. The reversal of 221411640735363 is 363537046114122.

It is not a de Polignac number, because 221411640735363 - 2⁴ = 221411640735347 is a prime.

It is a super-2 number, since 2×221411640735363² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221411640735367) 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, 56194968 + ... + 60005813.

It is an arithmetic number, because the mean of its divisors is an integer number (19870682324346).

Almost surely, 2^{221411640735363} is an apocalyptic number.

221411640735363 is a deficient number, since it is larger than the sum of its proper divisors (96519276454173).

221411640735363 is a wasteful number, since it uses less digits than its factorization.

221411640735363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116249654.

The product of its (nonzero) digits is 2177280, while the sum is 48.

Adding to 221411640735363 its reverse (363537046114122), we get a palindrome (584948686849485).

The spelling of 221411640735363 in words is "two hundred twenty-one trillion, four hundred eleven billion, six hundred forty million, seven hundred thirty-five thousand, three hundred sixty-three".