222220121011 has 8 divisors (see below), whose sum is σ = 258270359040. Its totient is φ = 187246009608.

The previous prime is 222220121003. The next prime is 222220121047. The reversal of 222220121011 is 110121022222.

It is a happy number.

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

It is not a de Polignac number, because 222220121011 - 2³ = 222220121003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222220121111) 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, 269031211 + ... + 269032036.

It is an arithmetic number, because the mean of its divisors is an integer number (32283794880).

Almost surely, 2^222220121011 is an apocalyptic number.

222220121011 is a deficient number, since it is larger than the sum of its proper divisors (36050238029).

222220121011 is an equidigital number, since it uses as much as digits as its factorization.

222220121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538063313.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222220121011 its reverse (110121022222), we get a palindrome (332341143233).

The spelling of 222220121011 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred twenty-one thousand, eleven".