100111051011 has 8 divisors (see below), whose sum is σ = 136585620160. Its totient is φ = 65188591272.

The previous prime is 100111050937. The next prime is 100111051067. The reversal of 100111051011 is 110150111001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100111051011 - 2¹³ = 100111042819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100111051211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388027201 + ... + 388027458.

It is an arithmetic number, because the mean of its divisors is an integer number (17073202520).

Almost surely, 2^100111051011 is an apocalyptic number.

100111051011 is a deficient number, since it is larger than the sum of its proper divisors (36474569149).

100111051011 is an equidigital number, since it uses as much as digits as its factorization.

100111051011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776054705.

The product of its (nonzero) digits is 5, while the sum is 12.

Adding to 100111051011 its reverse (110150111001), we get a palindrome (210261162012).

The spelling of 100111051011 in words is "one hundred billion, one hundred eleven million, fifty-one thousand, eleven".