34111110222221 has 4 divisors (see below), whose sum is σ = 34111512432672. Its totient is φ = 34110708011772.

The previous prime is 34111110222209. The next prime is 34111110222229. The reversal of 34111110222221 is 12222201111143.

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 34111110222221 - 2⁴² = 29713063711117 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 (34111110222229) 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, 200977985 + ... + 201147638.

It is an arithmetic number, because the mean of its divisors is an integer number (8527878108168).

Almost surely, 2^{34111110222221} is an apocalyptic number.

It is an amenable number.

34111110222221 is a deficient number, since it is larger than the sum of its proper divisors (402210451).

34111110222221 is an equidigital number, since it uses as much as digits as its factorization.

34111110222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402210450.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 34111110222221 its reverse (12222201111143), we get a palindrome (46333311333364).

The spelling of 34111110222221 in words is "thirty-four trillion, one hundred eleven billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty-one".