1061111112 has 16 divisors (see below), whose sum is σ = 2652777840. Its totient is φ = 353703696.

The previous prime is 1061111101. The next prime is 1061111113. The reversal of 1061111112 is 2111111601.

It is a super-2 number, since 2×1061111112² = 2251913584019753088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061111091 and 1061111100.

It is not an unprimeable number, because it can be changed into a prime (1061111113) 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 3 ways as a sum of consecutive naturals, for example, 22106458 + ... + 22106505.

It is an arithmetic number, because the mean of its divisors is an integer number (165798615).

Almost surely, 2^1061111112 is an apocalyptic number.

1061111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1061111112 is an abundant number, since it is smaller than the sum of its proper divisors (1591666728).

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

1061111112 is a wasteful number, since it uses less digits than its factorization.

1061111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44212972 (or 44212968 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

The square root of 1061111112 is about 32574.7004897973. The cubic root of 1061111112 is about 1019.9689571483.

Adding to 1061111112 its reverse (2111111601), we get a palindrome (3172222713).

The spelling of 1061111112 in words is "one billion, sixty-one million, one hundred eleven thousand, one hundred twelve".