2220221222111 has 8 divisors (see below), whose sum is σ = 2271889597824. Its totient is φ = 2168554452120.

The previous prime is 2220221222101. The next prime is 2220221222117. The reversal of 2220221222111 is 1112221220222.

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 2220221222111 - 2⁶ = 2220221222047 is a prime.

It is a super-2 number, since 2×2220221222111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220221222117) 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, 2665646 + ... + 3397956.

It is an arithmetic number, because the mean of its divisors is an integer number (283986199728).

Almost surely, 2^{2220221222111} is an apocalyptic number.

2220221222111 is a deficient number, since it is larger than the sum of its proper divisors (51668375713).

2220221222111 is an equidigital number, since it uses as much as digits as its factorization.

2220221222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802861.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2220221222111 its reverse (1112221220222), we get a palindrome (3332442442333).

The spelling of 2220221222111 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred eleven".