221010241968399 has 32 divisors (see below), whose sum is σ = 320947841914560. Its totient is φ = 134466400714752.

The previous prime is 221010241968379. The next prime is 221010241968449. The reversal of 221010241968399 is 993869142010122.

It is a happy number.

It is not a de Polignac number, because 221010241968399 - 2²⁴ = 221010225191183 is a prime.

It is a super-2 number, since 2×221010241968399² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010241968319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26202654 + ... + 33594635.

It is an arithmetic number, because the mean of its divisors is an integer number (10029620059830).

Almost surely, 2^{221010241968399} is an apocalyptic number.

221010241968399 is a deficient number, since it is larger than the sum of its proper divisors (99937599946161).

221010241968399 is a wasteful number, since it uses less digits than its factorization.

221010241968399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59798379.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 221010241968399 in words is "two hundred twenty-one trillion, ten billion, two hundred forty-one million, nine hundred sixty-eight thousand, three hundred ninety-nine".