201012021021122 has 16 divisors (see below), whose sum is σ = 302199936249312. Its totient is φ = 100278710856480.

The previous prime is 201012021021073. The next prime is 201012021021181. The reversal of 201012021021122 is 221120120210102.

It is a self number, because there is not a number n which added to its sum of digits gives 201012021021122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376413422 + ... + 376947062.

It is an arithmetic number, because the mean of its divisors is an integer number (18887496015582).

Almost surely, 2^{201012021021122} is an apocalyptic number.

201012021021122 is a deficient number, since it is larger than the sum of its proper divisors (101187915228190).

201012021021122 is a wasteful number, since it uses less digits than its factorization.

201012021021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959233.

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

Adding to 201012021021122 its reverse (221120120210102), we get a palindrome (422132141231224).

The spelling of 201012021021122 in words is "two hundred one trillion, twelve billion, twenty-one million, twenty-one thousand, one hundred twenty-two".