222120121011 has 8 divisors (see below), whose sum is σ = 296162383104. Its totient is φ = 148078969800.

The previous prime is 222120120991. The next prime is 222120121079. The reversal of 222120121011 is 110121021222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222120121011 - 2⁷ = 222120120883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222120121511) 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, 499810 + ... + 833096.

It is an arithmetic number, because the mean of its divisors is an integer number (37020297888).

Almost surely, 2^222120121011 is an apocalyptic number.

222120121011 is a deficient number, since it is larger than the sum of its proper divisors (74042262093).

222120121011 is a wasteful number, since it uses less digits than its factorization.

222120121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555441.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222120121011 its reverse (110121021222), we get a palindrome (332241142233).

The spelling of 222120121011 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, eleven".