100421343131511 has 8 divisors (see below), whose sum is σ = 133900743741184. Its totient is φ = 66944752304760.

The previous prime is 100421343131503. The next prime is 100421343131519. The reversal of 100421343131511 is 115131343124001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100421343131503) and next prime (100421343131519).

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

It is not a de Polignac number, because 100421343131511 - 2³ = 100421343131503 is a prime.

It is a super-2 number, since 2×100421343131511² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100421343131519) 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, 702362335 + ... + 702505296.

It is an arithmetic number, because the mean of its divisors is an integer number (16737592967648).

Almost surely, 2^{100421343131511} is an apocalyptic number.

100421343131511 is a deficient number, since it is larger than the sum of its proper divisors (33479400609673).

100421343131511 is a wasteful number, since it uses less digits than its factorization.

100421343131511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404891461.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 100421343131511 its reverse (115131343124001), we get a palindrome (215552686255512).

The spelling of 100421343131511 in words is "one hundred trillion, four hundred twenty-one billion, three hundred forty-three million, one hundred thirty-one thousand, five hundred eleven".