201001012122122 has 16 divisors (see below), whose sum is σ = 303352216324992. Its totient is φ = 99883610727840.

The previous prime is 201001012122107. The next prime is 201001012122151. The reversal of 201001012122122 is 221221210100102.

It is a self number, because there is not a number n which added to its sum of digits gives 201001012122122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121008143 + ... + 122657949.

It is an arithmetic number, because the mean of its divisors is an integer number (18959513520312).

Almost surely, 2^{201001012122122} is an apocalyptic number.

201001012122122 is a deficient number, since it is larger than the sum of its proper divisors (102351204202870).

201001012122122 is a wasteful number, since it uses less digits than its factorization.

201001012122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023693.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201001012122122 its reverse (221221210100102), we get a palindrome (422222222222224).

The spelling of 201001012122122 in words is "two hundred one trillion, one billion, twelve million, one hundred twenty-two thousand, one hundred twenty-two".