100771206442 has 8 divisors (see below), whose sum is σ = 160048386756. Its totient is φ = 47421744192.

The previous prime is 100771206439. The next prime is 100771206491. The reversal of 100771206442 is 244602177001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97394550561 + 3376655881 = 312081^2 + 58109^2 .

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 (34), and also a Moran number because the ratio is a prime number: 2963859013 = 100771206442 / (1 + 0 + 0 + 7 + 7 + 1 + 2 + 0 + 6 + 4 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 100771206398 and 100771206407.

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, 1481929473 + ... + 1481929540.

Almost surely, 2^100771206442 is an apocalyptic number.

100771206442 is a deficient number, since it is larger than the sum of its proper divisors (59277180314).

100771206442 is a wasteful number, since it uses less digits than its factorization.

100771206442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963859032.

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 100771206442 in words is "one hundred billion, seven hundred seventy-one million, two hundred six thousand, four hundred forty-two".