101542002001 has 8 divisors (see below), whose sum is σ = 113349212064. Its totient is φ = 90164145120.

The previous prime is 101542001999. The next prime is 101542002007. The reversal of 101542002001 is 100200245101.

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 101542002001 - 2¹ = 101542001999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101542002007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107337796 + ... + 107338741.

It is an arithmetic number, because the mean of its divisors is an integer number (14168651508).

Almost surely, 2^101542002001 is an apocalyptic number.

101542002001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101542002001 is a deficient number, since it is larger than the sum of its proper divisors (11807210063).

101542002001 is a wasteful number, since it uses less digits than its factorization.

101542002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214676591.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 101542002001 its reverse (100200245101), we get a palindrome (201742247102).

Subtracting from 101542002001 its reverse (100200245101), we obtain a square (1341756900 = 36630²).

The spelling of 101542002001 in words is "one hundred one billion, five hundred forty-two million, two thousand, one".