1121112101012 has 12 divisors (see below), whose sum is σ = 1981371387156. Its totient is φ = 555005990400.

The previous prime is 1121112100991. The next prime is 1121112101017. The reversal of 1121112101012 is 2101012111211.

It can be written as a sum of positive squares in 2 ways, for example, as 824692831876 + 296419269136 = 908126^2 + 544444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121112101017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387514573 + ... + 1387515380.

It is an arithmetic number, because the mean of its divisors is an integer number (165114282263).

Almost surely, 2^{1121112101012} is an apocalyptic number.

It is an amenable number.

1121112101012 is a deficient number, since it is larger than the sum of its proper divisors (860259286144).

1121112101012 is a wasteful number, since it uses less digits than its factorization.

1121112101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775030058 (or 2775030056 counting only the distinct ones).

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

Adding to 1121112101012 its reverse (2101012111211), we get a palindrome (3222124212223).

The spelling of 1121112101012 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, one hundred one thousand, twelve".