221211133041 has 16 divisors (see below), whose sum is σ = 297056406528. Its totient is φ = 146420994000.

The previous prime is 221211133019. The next prime is 221211133043. The reversal of 221211133041 is 140331112122.

It is not a de Polignac number, because 221211133041 - 2¹⁰ = 221211132017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221211132999 and 221211133017.

It is not an unprimeable number, because it can be changed into a prime (221211133043) 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, 748300 + ... + 1001186.

It is an arithmetic number, because the mean of its divisors is an integer number (18566025408).

Almost surely, 2^221211133041 is an apocalyptic number.

It is an amenable number.

221211133041 is a deficient number, since it is larger than the sum of its proper divisors (75845273487).

221211133041 is a wasteful number, since it uses less digits than its factorization.

221211133041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254972.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 221211133041 its reverse (140331112122), we get a palindrome (361542245163).

The spelling of 221211133041 in words is "two hundred twenty-one billion, two hundred eleven million, one hundred thirty-three thousand, forty-one".