100311220142 has 24 divisors (see below), whose sum is σ = 175048944840. Its totient is φ = 42986568240.

The previous prime is 100311220127. The next prime is 100311220147. The reversal of 100311220142 is 241022113001.

It is a self number, because there is not a number n which added to its sum of digits gives 100311220142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311220147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1188209 + ... + 1269827.

It is an arithmetic number, because the mean of its divisors is an integer number (7293706035).

Almost surely, 2^100311220142 is an apocalyptic number.

100311220142 is a deficient number, since it is larger than the sum of its proper divisors (74737724698).

100311220142 is a wasteful number, since it uses less digits than its factorization.

100311220142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94176 (or 94169 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 100311220142 its reverse (241022113001), we get a palindrome (341333333143).

The spelling of 100311220142 in words is "one hundred billion, three hundred eleven million, two hundred twenty thousand, one hundred forty-two".