101150643442 has 8 divisors (see below), whose sum is σ = 156620351232. Its totient is φ = 48943859700.

The previous prime is 101150643437. The next prime is 101150643479. The reversal of 101150643442 is 244346051101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815730934 + ... + 815731057.

It is an arithmetic number, because the mean of its divisors is an integer number (19577543904).

Almost surely, 2^101150643442 is an apocalyptic number.

101150643442 is a deficient number, since it is larger than the sum of its proper divisors (55469707790).

101150643442 is a wasteful number, since it uses less digits than its factorization.

101150643442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631462024.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 101150643442 its reverse (244346051101), we get a palindrome (345496694543).

The spelling of 101150643442 in words is "one hundred one billion, one hundred fifty million, six hundred forty-three thousand, four hundred forty-two".