100861567422 has 32 divisors (see below), whose sum is σ = 251498974464. Its totient is φ = 26197809600.

The previous prime is 100861567403. The next prime is 100861567441. The reversal of 100861567422 is 224765168001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100861567403) and next prime (100861567441).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 109157079 + ... + 109158002.

It is an arithmetic number, because the mean of its divisors is an integer number (7859342952).

Almost surely, 2^100861567422 is an apocalyptic number.

100861567422 is an abundant number, since it is smaller than the sum of its proper divisors (150637407042).

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

100861567422 is a wasteful number, since it uses less digits than its factorization.

100861567422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218315104.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 100861567422 in words is "one hundred billion, eight hundred sixty-one million, five hundred sixty-seven thousand, four hundred twenty-two".