221122101122 has 8 divisors (see below), whose sum is σ = 357197240316. Its totient is φ = 102056354352.

The previous prime is 221122101121. The next prime is 221122101133. The reversal of 221122101122 is 221101221122.

It can be written as a sum of positive squares in 2 ways, for example, as 212374427281 + 8747673841 = 460841^2 + 93529^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 221122101122.

It is not an unprimeable number, because it can be changed into a prime (221122101121) 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, 4252348073 + ... + 4252348124.

Almost surely, 2^221122101122 is an apocalyptic number.

221122101122 is a deficient number, since it is larger than the sum of its proper divisors (136075139194).

221122101122 is a wasteful number, since it uses less digits than its factorization.

221122101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8504696212.

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

Adding to 221122101122 its reverse (221101221122), we get a palindrome (442223322244).

The spelling of 221122101122 in words is "two hundred twenty-one billion, one hundred twenty-two million, one hundred one thousand, one hundred twenty-two".