201012201211121 has 8 divisors (see below), whose sum is σ = 205725734627424. Its totient is φ = 196300432843200.

The previous prime is 201012201211117. The next prime is 201012201211153. The reversal of 201012201211121 is 121112102210102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201012201211121 - 2² = 201012201211117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201012201211121.

It is not an unprimeable number, because it can be changed into a prime (201012201211111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441031655 + ... + 441487196.

It is an arithmetic number, because the mean of its divisors is an integer number (25715716828428).

Almost surely, 2^{201012201211121} is an apocalyptic number.

It is an amenable number.

201012201211121 is a deficient number, since it is larger than the sum of its proper divisors (4713533416303).

201012201211121 is an equidigital number, since it uses as much as digits as its factorization.

201012201211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882524191.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201012201211121 its reverse (121112102210102), we get a palindrome (322124303421223).

The spelling of 201012201211121 in words is "two hundred one trillion, twelve billion, two hundred one million, two hundred eleven thousand, one hundred twenty-one".