100012111033 has 4 divisors (see below), whose sum is σ = 100742126580. Its totient is φ = 99282095488.

The previous prime is 100012111013. The next prime is 100012111037. The reversal of 100012111033 is 330111210001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38977420329 + 61034690704 = 197427^2 + 247052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100012111033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100012111037) 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, 365007568 + ... + 365007841.

It is an arithmetic number, because the mean of its divisors is an integer number (25185531645).

Almost surely, 2^100012111033 is an apocalyptic number.

It is an amenable number.

100012111033 is a deficient number, since it is larger than the sum of its proper divisors (730015547).

100012111033 is an equidigital number, since it uses as much as digits as its factorization.

100012111033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730015546.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 100012111033 its reverse (330111210001), we get a palindrome (430123321034).

The spelling of 100012111033 in words is "one hundred billion, twelve million, one hundred eleven thousand, thirty-three".