101987161142 has 4 divisors (see below), whose sum is σ = 152980741716. Its totient is φ = 50993580570.

The previous prime is 101987161123. The next prime is 101987161163. The reversal of 101987161142 is 241161789101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101987161142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25496790284 + ... + 25496790287.

It is an arithmetic number, because the mean of its divisors is an integer number (38245185429).

Almost surely, 2^101987161142 is an apocalyptic number.

101987161142 is a deficient number, since it is larger than the sum of its proper divisors (50993580574).

101987161142 is an equidigital number, since it uses as much as digits as its factorization.

101987161142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50993580573.

The product of its (nonzero) digits is 24192, while the sum is 41.

The spelling of 101987161142 in words is "one hundred one billion, nine hundred eighty-seven million, one hundred sixty-one thousand, one hundred forty-two".