201111212044 has 6 divisors (see below), whose sum is σ = 351944621084. Its totient is φ = 100555606020.

The previous prime is 201111212021. The next prime is 201111212051. The reversal of 201111212044 is 440212111102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25138901502 + ... + 25138901509.

Almost surely, 2^201111212044 is an apocalyptic number.

It is an amenable number.

201111212044 is a deficient number, since it is larger than the sum of its proper divisors (150833409040).

201111212044 is a wasteful number, since it uses less digits than its factorization.

201111212044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50277803015 (or 50277803013 counting only the distinct ones).

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

Adding to 201111212044 its reverse (440212111102), we get a palindrome (641323323146).

The spelling of 201111212044 in words is "two hundred one billion, one hundred eleven million, two hundred twelve thousand, forty-four".