100111021110 has 48 divisors (see below), whose sum is σ = 260398167120. Its totient is φ = 26685040320.

The previous prime is 100111021103. The next prime is 100111021111. The reversal of 100111021110 is 11120111001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100111021092 and 100111021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111021111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17796 + ... + 447815.

It is an arithmetic number, because the mean of its divisors is an integer number (5424961815).

Almost surely, 2^100111021110 is an apocalyptic number.

100111021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111021110 is an abundant number, since it is smaller than the sum of its proper divisors (160287146010).

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

100111021110 is a wasteful number, since it uses less digits than its factorization.

100111021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468013 (or 468010 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 100111021110 its reverse (11120111001), we get a palindrome (111231132111).

The spelling of 100111021110 in words is "one hundred billion, one hundred eleven million, twenty-one thousand, one hundred ten".