210001122201 has 32 divisors (see below), whose sum is σ = 308138181120. Its totient is φ = 126406957824.

The previous prime is 210001122197. The next prime is 210001122223. The reversal of 210001122201 is 102221100012.

It is not a de Polignac number, because 210001122201 - 2² = 210001122197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210001121201) 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, 3143535 + ... + 3209643.

It is an arithmetic number, because the mean of its divisors is an integer number (9629318160).

Almost surely, 2^210001122201 is an apocalyptic number.

It is an amenable number.

210001122201 is a deficient number, since it is larger than the sum of its proper divisors (98137058919).

210001122201 is a wasteful number, since it uses less digits than its factorization.

210001122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67905.

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

Adding to 210001122201 its reverse (102221100012), we get a palindrome (312222222213).

It can be divided in two parts, 2100011 and 22201, that added together give a palindrome (2122212).

The spelling of 210001122201 in words is "two hundred ten billion, one million, one hundred twenty-two thousand, two hundred one".