222120110220011 has 4 divisors (see below), whose sum is σ = 222120142848192. Its totient is φ = 222120077591832.

The previous prime is 222120110219977. The next prime is 222120110220053. The reversal of 222120110220011 is 110022011021222.

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 222120110220011 - 2³⁰ = 222119036478187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222120110220611) 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, 1796156 + ... + 21153401.

It is an arithmetic number, because the mean of its divisors is an integer number (55530035712048).

Almost surely, 2^{222120110220011} is an apocalyptic number.

222120110220011 is a deficient number, since it is larger than the sum of its proper divisors (32628181).

222120110220011 is an equidigital number, since it uses as much as digits as its factorization.

222120110220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32628180.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222120110220011 its reverse (110022011021222), we get a palindrome (332142121241233).

The spelling of 222120110220011 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred ten million, two hundred twenty thousand, eleven".