100143662421 has 8 divisors (see below), whose sum is σ = 145663509024. Its totient is φ = 60693128720.

The previous prime is 100143662393. The next prime is 100143662467. The reversal of 100143662421 is 124266341001.

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

It is a cyclic number.

It is not a de Polignac number, because 100143662421 - 2¹⁷ = 100143531349 is a prime.

It is a super-3 number, since 3×100143662421³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100143662821) 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, 1517328186 + ... + 1517328251.

It is an arithmetic number, because the mean of its divisors is an integer number (18207938628).

Almost surely, 2^100143662421 is an apocalyptic number.

100143662421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100143662421 is a deficient number, since it is larger than the sum of its proper divisors (45519846603).

100143662421 is a wasteful number, since it uses less digits than its factorization.

100143662421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034656451.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 100143662421 in words is "one hundred billion, one hundred forty-three million, six hundred sixty-two thousand, four hundred twenty-one".