1101111122012 has 48 divisors (see below), whose sum is σ = 2212898486400. Its totient is φ = 474132836160.

The previous prime is 1101111121987. The next prime is 1101111122087. The reversal of 1101111122012 is 2102211111011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17875538 + ... + 17937030.

It is an arithmetic number, because the mean of its divisors is an integer number (46102051800).

Almost surely, 2^{1101111122012} is an apocalyptic number.

It is an amenable number.

1101111122012 is an abundant number, since it is smaller than the sum of its proper divisors (1111787364388).

1101111122012 is a wasteful number, since it uses less digits than its factorization.

1101111122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82946 (or 82944 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1101111122012 its reverse (2102211111011), we get a palindrome (3203322233023).

The spelling of 1101111122012 in words is "one trillion, one hundred one billion, one hundred eleven million, one hundred twenty-two thousand, twelve".