100111321131 has 8 divisors (see below), whose sum is σ = 141333629904. Its totient is φ = 62814946560.

The previous prime is 100111321129. The next prime is 100111321133. The reversal of 100111321131 is 131123111001.

It is an interprime number because it is at equal distance from previous prime (100111321129) and next prime (100111321133).

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

It is not a de Polignac number, because 100111321131 - 2¹ = 100111321129 is a prime.

It is a super-2 number, since 2×100111321131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100111321131.

It is not an unprimeable number, because it can be changed into a prime (100111321133) 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, 981483490 + ... + 981483591.

It is an arithmetic number, because the mean of its divisors is an integer number (17666703738).

Almost surely, 2^100111321131 is an apocalyptic number.

100111321131 is a deficient number, since it is larger than the sum of its proper divisors (41222308773).

100111321131 is a wasteful number, since it uses less digits than its factorization.

100111321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962967101.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 100111321131 its reverse (131123111001), we get a palindrome (231234432132).

The spelling of 100111321131 in words is "one hundred billion, one hundred eleven million, three hundred twenty-one thousand, one hundred thirty-one".