201012201122122 has 32 divisors (see below), whose sum is σ = 325435871561472. Its totient is φ = 92568074284224.

The previous prime is 201012201122087. The next prime is 201012201122129. The reversal of 201012201122122 is 221221102210102.

It is a self number, because there is not a number n which added to its sum of digits gives 201012201122122.

It is not an unprimeable number, because it can be changed into a prime (201012201122129) 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, 175509028 + ... + 176650624.

It is an arithmetic number, because the mean of its divisors is an integer number (10169870986296).

Almost surely, 2^{201012201122122} is an apocalyptic number.

201012201122122 is a deficient number, since it is larger than the sum of its proper divisors (124423670439350).

201012201122122 is a wasteful number, since it uses less digits than its factorization.

201012201122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156702.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201012201122122 its reverse (221221102210102), we get a palindrome (422233303332224).

The spelling of 201012201122122 in words is "two hundred one trillion, twelve billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-two".