201012220001121 has 16 divisors (see below), whose sum is σ = 275261232105984. Its totient is φ = 130385710312704.

The previous prime is 201012220001107. The next prime is 201012220001149. The reversal of 201012220001121 is 121100022210102.

It is not a de Polignac number, because 201012220001121 - 2¹⁸ = 201012219738977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201012220001121.

It is not an unprimeable number, because it can be changed into a prime (201012220001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21009616 + ... + 29041838.

It is an arithmetic number, because the mean of its divisors is an integer number (17203827006624).

Almost surely, 2^{201012220001121} is an apocalyptic number.

It is an amenable number.

201012220001121 is a deficient number, since it is larger than the sum of its proper divisors (74249012104863).

201012220001121 is a wasteful number, since it uses less digits than its factorization.

201012220001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257720.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201012220001121 its reverse (121100022210102), we get a palindrome (322112242211223).

The spelling of 201012220001121 in words is "two hundred one trillion, twelve billion, two hundred twenty million, one thousand, one hundred twenty-one".