122221110011 has 32 divisors (see below), whose sum is σ = 165945024000. Its totient is φ = 86923457280.

The previous prime is 122221110007. The next prime is 122221110017. The reversal of 122221110011 is 110011122221.

It is not a de Polignac number, because 122221110011 - 2² = 122221110007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122221110017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 596861 + ... + 775038.

It is an arithmetic number, because the mean of its divisors is an integer number (5185782000).

Almost surely, 2^122221110011 is an apocalyptic number.

122221110011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122221110011 is a deficient number, since it is larger than the sum of its proper divisors (43723913989).

122221110011 is a wasteful number, since it uses less digits than its factorization.

122221110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372019.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122221110011 its reverse (110011122221), we get a palindrome (232232232232).

It can be divided in two parts, 122221 and 110011, that multiplied together give a palindrome (13445654431).

The spelling of 122221110011 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred ten thousand, eleven".