100143121103011 has 32 divisors (see below), whose sum is σ = 121844354803200. Its totient is φ = 80393779825920.

The previous prime is 100143121103009. The next prime is 100143121103021. The reversal of 100143121103011 is 110301121341001.

It is a cyclic number.

It is not a de Polignac number, because 100143121103011 - 2¹ = 100143121103009 is a prime.

It is a super-2 number, since 2×100143121103011² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100143121103011.

It is not an unprimeable number, because it can be changed into a prime (100143121103021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80859501 + ... + 82088641.

It is an arithmetic number, because the mean of its divisors is an integer number (3807636087600).

Almost surely, 2^{100143121103011} is an apocalyptic number.

100143121103011 is a deficient number, since it is larger than the sum of its proper divisors (21701233700189).

100143121103011 is a wasteful number, since it uses less digits than its factorization.

100143121103011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236139.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 100143121103011 its reverse (110301121341001), we get a palindrome (210444242444012).

The spelling of 100143121103011 in words is "one hundred trillion, one hundred forty-three billion, one hundred twenty-one million, one hundred three thousand, eleven".