101355170042 has 72 divisors (see below), whose sum is σ = 190496182644. Its totient is φ = 40187529984.

The previous prime is 101355169999. The next prime is 101355170069. The reversal of 101355170042 is 240071553101.

It can be written as a sum of positive squares in 2 ways, for example, as 100343866441 + 1011303601 = 316771^2 + 31801^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101355169987 and 101355170014.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5790608 + ... + 5808084.

Almost surely, 2^101355170042 is an apocalyptic number.

101355170042 is a deficient number, since it is larger than the sum of its proper divisors (89141012602).

101355170042 is a wasteful number, since it uses less digits than its factorization.

101355170042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17628 (or 17562 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 101355170042 in words is "one hundred one billion, three hundred fifty-five million, one hundred seventy thousand, forty-two".