201211000202001 has 24 divisors (see below), whose sum is σ = 294184152434944. Its totient is φ = 122177457411840.

The previous prime is 201211000201973. The next prime is 201211000202117. The reversal of 201211000202001 is 100202000112102.

It is not a de Polignac number, because 201211000202001 - 2¹¹ = 201211000199953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201211000203001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3743155030 + ... + 3743208783.

Almost surely, 2^{201211000202001} is an apocalyptic number.

It is an amenable number.

201211000202001 is a deficient number, since it is larger than the sum of its proper divisors (92973152232943).

201211000202001 is a wasteful number, since it uses less digits than its factorization.

201211000202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486363881 (or 7486363864 counting only the distinct ones).

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

Adding to 201211000202001 its reverse (100202000112102), we get a palindrome (301413000314103).

The spelling of 201211000202001 in words is "two hundred one trillion, two hundred eleven billion, two hundred two thousand, one".