222201101001 has 32 divisors (see below), whose sum is σ = 326628120960. Its totient is φ = 133241472000.

The previous prime is 222201100973. The next prime is 222201101021. The reversal of 222201101001 is 100101102222.

It is not a de Polignac number, because 222201101001 - 2⁶ = 222201100937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222201101021) 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, 4940451 + ... + 4985223.

It is an arithmetic number, because the mean of its divisors is an integer number (10207128780).

Almost surely, 2^222201101001 is an apocalyptic number.

It is an amenable number.

222201101001 is a deficient number, since it is larger than the sum of its proper divisors (104427019959).

222201101001 is a wasteful number, since it uses less digits than its factorization.

222201101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46377.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 222201101001 its reverse (100101102222), we get a palindrome (322302203223).

It can be divided in two parts, 22220110 and 1001, that added together give a triangular number (22221111 = T₆₆₆₆).

The spelling of 222201101001 in words is "two hundred twenty-two billion, two hundred one million, one hundred one thousand, one".