101143302041987 has 4 divisors (see below), whose sum is σ = 101143322574216. Its totient is φ = 101143281509760.

The previous prime is 101143302041983. The next prime is 101143302042001. The reversal of 101143302041987 is 789140203341101.

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 101143302041987 - 2² = 101143302041983 is a prime.

It is a super-2 number, since 2×101143302041987² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101143302041983) 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, 2040803 + ... + 14368419.

It is an arithmetic number, because the mean of its divisors is an integer number (25285830643554).

Almost surely, 2^{101143302041987} is an apocalyptic number.

101143302041987 is a deficient number, since it is larger than the sum of its proper divisors (20532229).

101143302041987 is an equidigital number, since it uses as much as digits as its factorization.

101143302041987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20532228.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 101143302041987 in words is "one hundred one trillion, one hundred forty-three billion, three hundred two million, forty-one thousand, nine hundred eighty-seven".