222221211010111 has 8 divisors (see below), whose sum is σ = 230446074999600. Its totient is φ = 214033817928000.

The previous prime is 222221211010049. The next prime is 222221211010171. The reversal of 222221211010111 is 111010112122222.

It is a happy number.

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 222221211010111 - 2¹³ = 222221211001919 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 (222221211010171) 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, 9367714765 + ... + 9367738486.

It is an arithmetic number, because the mean of its divisors is an integer number (28805759374950).

Almost surely, 2^{222221211010111} is an apocalyptic number.

222221211010111 is a deficient number, since it is larger than the sum of its proper divisors (8224863989489).

222221211010111 is a wasteful number, since it uses less digits than its factorization.

222221211010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18735453689.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222221211010111 its reverse (111010112122222), we get a palindrome (333231323132333).

The spelling of 222221211010111 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred eleven million, ten thousand, one hundred eleven".