1101012111112 has 32 divisors (see below), whose sum is σ = 2174378169600. Its totient is φ = 521213344704.

The previous prime is 1101012111097. The next prime is 1101012111113. The reversal of 1101012111112 is 2111112101011.

It is a junction number, because it is equal to n+sod(n) for n = 1101012111092 and 1101012111101.

It is not an unprimeable number, because it can be changed into a prime (1101012111113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1963608 + ... + 2461255.

It is an arithmetic number, because the mean of its divisors is an integer number (67949317800).

Almost surely, 2^{1101012111112} is an apocalyptic number.

It is an amenable number.

1101012111112 is a deficient number, since it is larger than the sum of its proper divisors (1073366058488).

1101012111112 is a wasteful number, since it uses less digits than its factorization.

1101012111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426525 (or 4426521 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1101012111112 its reverse (2111112101011), we get a palindrome (3212124212123).

The spelling of 1101012111112 in words is "one trillion, one hundred one billion, twelve million, one hundred eleven thousand, one hundred twelve".