100022151168 has 72 divisors (see below), whose sum is σ = 288882389250. Its totient is φ = 33340710912.

The previous prime is 100022151161. The next prime is 100022151199. The reversal of 100022151168 is 861151220001.

It can be written as a sum of positive squares in only one way, i.e., 95971083264 + 4051067904 = 309792^2 + 63648^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (100022151161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2694843 + ... + 2731706.

Almost surely, 2^100022151168 is an apocalyptic number.

100022151168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

100022151168 is an abundant number, since it is smaller than the sum of its proper divisors (188860238082).

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

100022151168 is an equidigital number, since it uses as much as digits as its factorization.

100022151168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426577 (or 5426554 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

Adding to 100022151168 its reverse (861151220001), we get a palindrome (961173371169).

The spelling of 100022151168 in words is "one hundred billion, twenty-two million, one hundred fifty-one thousand, one hundred sixty-eight".