1000140111 has 12 divisors (see below), whose sum is σ = 1444931488. Its totient is φ = 666628704.

The previous prime is 1000140109. The next prime is 1000140133. The reversal of 1000140111 is 1110410001.

It is not a de Polignac number, because 1000140111 - 2¹ = 1000140109 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000140093 and 1000140102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000140181) 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, 64986 + ... + 78888.

Almost surely, 2^1000140111 is an apocalyptic number.

1000140111 is a deficient number, since it is larger than the sum of its proper divisors (444791377).

1000140111 is a wasteful number, since it uses less digits than its factorization.

1000140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21902 (or 21899 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1000140111 is about 31624.9918735167. The cubic root of 1000140111 is about 1000.0467014856.

Adding to 1000140111 its reverse (1110410001), we get a palindrome (2110550112).

The spelling of 1000140111 in words is "one billion, one hundred forty thousand, one hundred eleven".