10012111043 has 4 divisors (see below), whose sum is σ = 10922302968. Its totient is φ = 9101919120.

The previous prime is 10012110991. The next prime is 10012111073. The reversal of 10012111043 is 34011121001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10012111043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10012111073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455095946 + ... + 455095967.

It is an arithmetic number, because the mean of its divisors is an integer number (2730575742).

Almost surely, 2^10012111043 is an apocalyptic number.

10012111043 is a deficient number, since it is larger than the sum of its proper divisors (910191925).

10012111043 is an equidigital number, since it uses as much as digits as its factorization.

10012111043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910191924.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10012111043 its reverse (34011121001), we get a palindrome (44023232044).

The spelling of 10012111043 in words is "ten billion, twelve million, one hundred eleven thousand, forty-three".