201202111021001 has 16 divisors (see below), whose sum is σ = 227597046269760. Its totient is φ = 176722412359680.

The previous prime is 201202111020997. The next prime is 201202111021003. The reversal of 201202111021001 is 100120111202102.

It is a cyclic number.

It is not a de Polignac number, because 201202111021001 - 2² = 201202111020997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201202111021003) 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, 4648610840 + ... + 4648654121.

It is an arithmetic number, because the mean of its divisors is an integer number (14224815391860).

Almost surely, 2^{201202111021001} is an apocalyptic number.

It is an amenable number.

201202111021001 is a deficient number, since it is larger than the sum of its proper divisors (26394935248759).

201202111021001 is a wasteful number, since it uses less digits than its factorization.

201202111021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9297265064.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201202111021001 its reverse (100120111202102), we get a palindrome (301322222223103).

The spelling of 201202111021001 in words is "two hundred one trillion, two hundred two billion, one hundred eleven million, twenty-one thousand, one".