201012021011122 has 48 divisors (see below), whose sum is σ = 320773641451200. Its totient is φ = 94453424370432.

The previous prime is 201012021011089. The next prime is 201012021011129. The reversal of 201012021011122 is 221110120210102.

It is a junction number, because it is equal to n+sod(n) for n = 201012021011096 and 201012021011105.

It is not an unprimeable number, because it can be changed into a prime (201012021011129) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1209499243 + ... + 1209665425.

It is an arithmetic number, because the mean of its divisors is an integer number (6682784196900).

Almost surely, 2^{201012021011122} is an apocalyptic number.

201012021011122 is a deficient number, since it is larger than the sum of its proper divisors (119761620440078).

201012021011122 is a wasteful number, since it uses less digits than its factorization.

201012021011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169315 (or 169298 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201012021011122 its reverse (221110120210102), we get a palindrome (422122141221224).

The spelling of 201012021011122 in words is "two hundred one trillion, twelve billion, twenty-one million, eleven thousand, one hundred twenty-two".