100142240999 has 4 divisors (see below), whose sum is σ = 100805434800. Its totient is φ = 99479047200.

The previous prime is 100142240983. The next prime is 100142241019. The reversal of 100142240999 is 999042241001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100142240999 - 2⁴ = 100142240983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100142240929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331596674 + ... + 331596975.

It is an arithmetic number, because the mean of its divisors is an integer number (25201358700).

Almost surely, 2^100142240999 is an apocalyptic number.

100142240999 is a deficient number, since it is larger than the sum of its proper divisors (663193801).

100142240999 is an equidigital number, since it uses as much as digits as its factorization.

100142240999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663193800.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 100142240999 in words is "one hundred billion, one hundred forty-two million, two hundred forty thousand, nine hundred ninety-nine".