221034012041 has 4 divisors (see below), whose sum is σ = 221058302592. Its totient is φ = 221009721492.

The previous prime is 221034012037. The next prime is 221034012061. The reversal of 221034012041 is 140210430122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221034012041 - 2² = 221034012037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221034012061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12131621 + ... + 12149826.

It is an arithmetic number, because the mean of its divisors is an integer number (55264575648).

Almost surely, 2^221034012041 is an apocalyptic number.

It is an amenable number.

221034012041 is a deficient number, since it is larger than the sum of its proper divisors (24290551).

221034012041 is an equidigital number, since it uses as much as digits as its factorization.

221034012041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24290550.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221034012041 its reverse (140210430122), we get a palindrome (361244442163).

The spelling of 221034012041 in words is "two hundred twenty-one billion, thirty-four million, twelve thousand, forty-one".