2221220220011 has 16 divisors (see below), whose sum is σ = 2519323027200. Its totient is φ = 1941409423008.

The previous prime is 2221220219993. The next prime is 2221220220029. The reversal of 2221220220011 is 1100220221222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2221220219993) and next prime (2221220220029).

It is a cyclic number.

It is not a de Polignac number, because 2221220220011 - 2¹⁸ = 2221219957867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221220220311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1928861 + ... + 2857086.

It is an arithmetic number, because the mean of its divisors is an integer number (157457689200).

Almost surely, 2^{2221220220011} is an apocalyptic number.

2221220220011 is a deficient number, since it is larger than the sum of its proper divisors (298102807189).

2221220220011 is a wasteful number, since it uses less digits than its factorization.

2221220220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787858.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221220220011 its reverse (1100220221222), we get a palindrome (3321440441233).

The spelling of 2221220220011 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, two hundred twenty thousand, eleven".