100401222654 has 64 divisors (see below), whose sum is σ = 231843225600. Its totient is φ = 32168023776.

The previous prime is 100401222601. The next prime is 100401222667. The reversal of 100401222654 is 456222104001.

100401222654 is a `hidden beast` number, since 1 + 0 + 0 + 4 + 0 + 1 + 2 + 2 + 2 + 654 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205467 + ... + 492969.

It is an arithmetic number, because the mean of its divisors is an integer number (3622550400).

Almost surely, 2^100401222654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100401222654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115921612800).

100401222654 is an abundant number, since it is smaller than the sum of its proper divisors (131442002946).

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

100401222654 is a wasteful number, since it uses less digits than its factorization.

100401222654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287766 (or 287760 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 100401222654 its reverse (456222104001), we get a palindrome (556623326655).

The spelling of 100401222654 in words is "one hundred billion, four hundred one million, two hundred twenty-two thousand, six hundred fifty-four".