1001001011112 has 48 divisors (see below), whose sum is σ = 2711827940640. Its totient is φ = 333570568608.

The previous prime is 1001001011057. The next prime is 1001001011113. The reversal of 1001001011112 is 2111101001001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1001001011094 and 1001001011103.

It is not an unprimeable number, because it can be changed into a prime (1001001011113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1757998 + ... + 2256669.

It is an arithmetic number, because the mean of its divisors is an integer number (56496415430).

Almost surely, 2^{1001001011112} is an apocalyptic number.

1001001011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001001011112 is an abundant number, since it is smaller than the sum of its proper divisors (1710826929528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001001011112 is a wasteful number, since it uses less digits than its factorization.

1001001011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018142 (or 4018135 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1001001011112 its reverse (2111101001001), we get a palindrome (3112102012113).

The spelling of 1001001011112 in words is "one trillion, one billion, one million, eleven thousand, one hundred twelve".