221022122210001 has 96 divisors (see below), whose sum is σ = 367325868465920. Its totient is φ = 125447661453312.

The previous prime is 221022122209957. The next prime is 221022122210069. The reversal of 221022122210001 is 100012221220122.

It is a happy number.

221022122210001 is a `hidden beast` number, since 2 + 210 + 221 + 22 + 210 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 221022122210001 - 2¹⁷ = 221022122078929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221022122260001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24264143235 + ... + 24264152343.

Almost surely, 2^{221022122210001} is an apocalyptic number.

221022122210001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221022122210001 is a deficient number, since it is larger than the sum of its proper divisors (146303746255919).

221022122210001 is a wasteful number, since it uses less digits than its factorization.

221022122210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12215 (or 12212 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221022122210001 its reverse (100012221220122), we get a palindrome (321034343430123).

The spelling of 221022122210001 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred twenty-two million, two hundred ten thousand, one".