221022202010001 has 32 divisors (see below), whose sum is σ = 338195830023168. Its totient is φ = 125774230317120.

The previous prime is 221022202009943. The next prime is 221022202010053. The reversal of 221022202010001 is 100010202220122.

It is not a de Polignac number, because 221022202010001 - 2¹⁵ = 221022201977233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221022202010201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11867466 + ... + 24142931.

It is an arithmetic number, because the mean of its divisors is an integer number (10568619688224).

Almost surely, 2^{221022202010001} is an apocalyptic number.

221022202010001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221022202010001 is a deficient number, since it is larger than the sum of its proper divisors (117173628013167).

221022202010001 is a wasteful number, since it uses less digits than its factorization.

221022202010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36011621.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221022202010001 its reverse (100010202220122), we get a palindrome (321032404230123).

The spelling of 221022202010001 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred two million, ten thousand, one".