221411702633345 has 16 divisors (see below), whose sum is σ = 303672900175488. Its totient is φ = 151813884952320.

The previous prime is 221411702633339. The next prime is 221411702633393. The reversal of 221411702633345 is 543336207114122.

It is not a de Polignac number, because 221411702633345 - 2⁸ = 221411702633089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221411702633296 and 221411702633305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234575771 + ... + 235517760.

It is an arithmetic number, because the mean of its divisors is an integer number (18979556260968).

Almost surely, 2^{221411702633345} is an apocalyptic number.

It is an amenable number.

221411702633345 is a deficient number, since it is larger than the sum of its proper divisors (82261197542143).

221411702633345 is a wasteful number, since it uses less digits than its factorization.

221411702633345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470107000.

The product of its (nonzero) digits is 725760, while the sum is 44.

Adding to 221411702633345 its reverse (543336207114122), we get a palindrome (764747909747467).

The spelling of 221411702633345 in words is "two hundred twenty-one trillion, four hundred eleven billion, seven hundred two million, six hundred thirty-three thousand, three hundred forty-five".