2221201213111 has 8 divisors (see below), whose sum is σ = 2222197941600. Its totient is φ = 2220204624000.

The previous prime is 2221201213087. The next prime is 2221201213123. The reversal of 2221201213111 is 1113121021222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221201213111 - 2⁹ = 2221201212599 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 (2221201913111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43526611 + ... + 43577611.

It is an arithmetic number, because the mean of its divisors is an integer number (277774742700).

Almost surely, 2^{2221201213111} is an apocalyptic number.

2221201213111 is a deficient number, since it is larger than the sum of its proper divisors (996728489).

2221201213111 is a wasteful number, since it uses less digits than its factorization.

2221201213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69689.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2221201213111 its reverse (1113121021222), we get a palindrome (3334322234333).

The spelling of 2221201213111 in words is "two trillion, two hundred twenty-one billion, two hundred one million, two hundred thirteen thousand, one hundred eleven".