201011121001211 has 16 divisors (see below), whose sum is σ = 209581744204800. Its totient is φ = 192549805314048.

The previous prime is 201011121001189. The next prime is 201011121001309. The reversal of 201011121001211 is 112100121110102.

It is a cyclic number.

It is not a de Polignac number, because 201011121001211 - 2¹⁰ = 201011121000187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201011121001811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653479295 + ... + 653786823.

It is an arithmetic number, because the mean of its divisors is an integer number (13098859012800).

Almost surely, 2^{201011121001211} is an apocalyptic number.

201011121001211 is a deficient number, since it is larger than the sum of its proper divisors (8570623203589).

201011121001211 is a wasteful number, since it uses less digits than its factorization.

201011121001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485158.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201011121001211 its reverse (112100121110102), we get a palindrome (313111242111313).

The spelling of 201011121001211 in words is "two hundred one trillion, eleven billion, one hundred twenty-one million, one thousand, two hundred eleven".