100111144950 has 36 divisors (see below), whose sum is σ = 268965277308. Its totient is φ = 26696305200.

The previous prime is 100111144927. The next prime is 100111144981. The reversal of 100111144950 is 59441111001.

100111144950 is a `hidden beast` number, since 100 + 1 + 111 + 449 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 111234156 + ... + 111235055.

It is an arithmetic number, because the mean of its divisors is an integer number (7471257703).

Almost surely, 2^100111144950 is an apocalyptic number.

100111144950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111144950 is an abundant number, since it is smaller than the sum of its proper divisors (168854132358).

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

100111144950 is a wasteful number, since it uses less digits than its factorization.

100111144950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222469229 (or 222469221 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

Adding to 100111144950 its reverse (59441111001), we get a palindrome (159552255951).

The spelling of 100111144950 in words is "one hundred billion, one hundred eleven million, one hundred forty-four thousand, nine hundred fifty".