201111213020044 has 12 divisors (see below), whose sum is σ = 351944787537000. Its totient is φ = 100555559438048.

The previous prime is 201111213019943. The next prime is 201111213020051. The reversal of 201111213020044 is 440020312111102.

It is a junction number, because it is equal to n+sod(n) for n = 201111213019997 and 201111213020024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075594 + ... + 20084305.

It is an arithmetic number, because the mean of its divisors is an integer number (29328732294750).

Almost surely, 2^{201111213020044} is an apocalyptic number.

It is an amenable number.

201111213020044 is a deficient number, since it is larger than the sum of its proper divisors (150833574516956).

201111213020044 is a wasteful number, since it uses less digits than its factorization.

201111213020044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23535992 (or 23535990 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 201111213020044 its reverse (440020312111102), we get a palindrome (641131525131146).

The spelling of 201111213020044 in words is "two hundred one trillion, one hundred eleven billion, two hundred thirteen million, twenty thousand, forty-four".