1111121001112 has 32 divisors (see below), whose sum is σ = 2175173146080. Its totient is φ = 531102401280.

The previous prime is 1111121001101. The next prime is 1111121001139. The reversal of 1111121001112 is 2111001211111.

It is a super-2 number, since 2×1111121001112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111121001092 and 1111121001101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399839 + ... + 2044942.

It is an arithmetic number, because the mean of its divisors is an integer number (67974160815).

Almost surely, 2^{1111121001112} is an apocalyptic number.

It is an amenable number.

1111121001112 is a deficient number, since it is larger than the sum of its proper divisors (1064052144968).

1111121001112 is a wasteful number, since it uses less digits than its factorization.

1111121001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446563 (or 3446559 counting only the distinct ones).

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

Adding to 1111121001112 its reverse (2111001211111), we get a palindrome (3222122212223).

The spelling of 1111121001112 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, one thousand, one hundred twelve".