221001100012022 has 32 divisors (see below), whose sum is σ = 380674371254400. Its totient is φ = 95167282795200.

The previous prime is 221001100012001. The next prime is 221001100012027. The reversal of 221001100012022 is 220210001100122.

It is a junction number, because it is equal to n+sod(n) for n = 221001100011988 and 221001100012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221001100012027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61628897 + ... + 65116227.

It is an arithmetic number, because the mean of its divisors is an integer number (11896074101700).

Almost surely, 2^{221001100012022} is an apocalyptic number.

221001100012022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221001100012022 is a deficient number, since it is larger than the sum of its proper divisors (159673271242378).

221001100012022 is a wasteful number, since it uses less digits than its factorization.

221001100012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638972.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221001100012022 its reverse (220210001100122), we get a palindrome (441211101112144).

The spelling of 221001100012022 in words is "two hundred twenty-one trillion, one billion, one hundred million, twelve thousand, twenty-two".