101442012001999 has 4 divisors (see below), whose sum is σ = 101442036822336. Its totient is φ = 101441987181664.

The previous prime is 101442012001987. The next prime is 101442012002059. The reversal of 101442012001999 is 999100210244101.

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 101442012001999 - 2¹³ = 101442011993807 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 (101442012031999) 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, 4670719 + ... + 14989984.

It is an arithmetic number, because the mean of its divisors is an integer number (25360509205584).

Almost surely, 2^{101442012001999} is an apocalyptic number.

101442012001999 is a deficient number, since it is larger than the sum of its proper divisors (24820337).

101442012001999 is an equidigital number, since it uses as much as digits as its factorization.

101442012001999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24820336.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 101442012001999 in words is "one hundred one trillion, four hundred forty-two billion, twelve million, one thousand, nine hundred ninety-nine".