101443001142 has 16 divisors (see below), whose sum is σ = 231869716992. Its totient is φ = 28983714600.

The previous prime is 101443001113. The next prime is 101443001147. The reversal of 101443001142 is 241100344101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101443001147) 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, 1207654734 + ... + 1207654817.

It is an arithmetic number, because the mean of its divisors is an integer number (14491857312).

Almost surely, 2^101443001142 is an apocalyptic number.

101443001142 is an abundant number, since it is smaller than the sum of its proper divisors (130426715850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101443001142 is a wasteful number, since it uses less digits than its factorization.

101443001142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415309563.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 101443001142 its reverse (241100344101), we get a palindrome (342543345243).

The spelling of 101443001142 in words is "one hundred one billion, four hundred forty-three million, one thousand, one hundred forty-two".