41221204232111 has 4 divisors (see below), whose sum is σ = 41221241891712. Its totient is φ = 41221166572512.

The previous prime is 41221204232099. The next prime is 41221204232119. The reversal of 41221204232111 is 11123240212214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41221204232111 - 2³⁸ = 40946326325167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41221204232119) 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, 17137226 + ... + 19393991.

It is an arithmetic number, because the mean of its divisors is an integer number (10305310472928).

Almost surely, 2^{41221204232111} is an apocalyptic number.

41221204232111 is a deficient number, since it is larger than the sum of its proper divisors (37659601).

41221204232111 is a wasteful number, since it uses less digits than its factorization.

41221204232111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37659600.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 41221204232111 its reverse (11123240212214), we get a palindrome (52344444444325).

The spelling of 41221204232111 in words is "forty-one trillion, two hundred twenty-one billion, two hundred four million, two hundred thirty-two thousand, one hundred eleven".