222211222022011 has 4 divisors (see below), whose sum is σ = 222464598558832. Its totient is φ = 221957845485192.

The previous prime is 222211222021967. The next prime is 222211222022021. The reversal of 222211222022011 is 110220222112222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222211222022011 - 2⁷ = 222211222021883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222211222022021) 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, 126688267095 + ... + 126688268848.

It is an arithmetic number, because the mean of its divisors is an integer number (55616149639708).

Almost surely, 2^{222211222022011} is an apocalyptic number.

222211222022011 is a deficient number, since it is larger than the sum of its proper divisors (253376536821).

222211222022011 is an equidigital number, since it uses as much as digits as its factorization.

222211222022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253376536820.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222211222022011 its reverse (110220222112222), we get a palindrome (332431444134233).

The spelling of 222211222022011 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred twenty-two million, twenty-two thousand, eleven".