221155027306675 has 96 divisors (see below), whose sum is σ = 353081895026688. Its totient is φ = 133357870800000.

The previous prime is 221155027306673. The next prime is 221155027306721. The reversal of 221155027306675 is 576603720551122.

It is not a de Polignac number, because 221155027306675 - 2¹ = 221155027306673 is a prime.

It is a super-2 number, since 2×221155027306675² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221155027306673) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 137107110 + ... + 138710740.

It is an arithmetic number, because the mean of its divisors is an integer number (3677936406528).

Almost surely, 2^{221155027306675} is an apocalyptic number.

221155027306675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

221155027306675 is a deficient number, since it is larger than the sum of its proper divisors (131926867720013).

221155027306675 is a wasteful number, since it uses less digits than its factorization.

221155027306675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606001 (or 1605996 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 52.

Adding to 221155027306675 its reverse (576603720551122), we get a palindrome (797758747857797).

The spelling of 221155027306675 in words is "two hundred twenty-one trillion, one hundred fifty-five billion, twenty-seven million, three hundred six thousand, six hundred seventy-five".