201012222201001 has 4 divisors (see below), whose sum is σ = 201012310648404. Its totient is φ = 201012133753600.

The previous prime is 201012222200941. The next prime is 201012222201023. The reversal of 201012222201001 is 100102222210102.

It is a happy number.

201012222201001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17788790840976 + 183223431360025 = 4217676^2 + 13536005^2 .

It is a cyclic number.

It is not a de Polignac number, because 201012222201001 - 2⁷ = 201012222200873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201012222201041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40722280 + ... + 45390841.

It is an arithmetic number, because the mean of its divisors is an integer number (50253077662101).

Almost surely, 2^{201012222201001} is an apocalyptic number.

It is an amenable number.

201012222201001 is a deficient number, since it is larger than the sum of its proper divisors (88447403).

201012222201001 is an equidigital number, since it uses as much as digits as its factorization.

201012222201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88447402.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201012222201001 its reverse (100102222210102), we get a palindrome (301114444411103).

The spelling of 201012222201001 in words is "two hundred one trillion, twelve billion, two hundred twenty-two million, two hundred one thousand, one".