100641221606404 has 12 divisors (see below), whose sum is σ = 176542477045200. Its totient is φ = 50200513879208.

The previous prime is 100641221606371. The next prime is 100641221606407. The reversal of 100641221606404 is 404606122146001.

It is a happy number.

It is a super-2 number, since 2×100641221606404² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100641221606407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30024229114 + ... + 30024232465.

It is an arithmetic number, because the mean of its divisors is an integer number (14711873087100).

Almost surely, 2^{100641221606404} is an apocalyptic number.

It is an amenable number.

100641221606404 is a deficient number, since it is larger than the sum of its proper divisors (75901255438796).

100641221606404 is a wasteful number, since it uses less digits than its factorization.

100641221606404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60048462002 (or 60048462000 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 100641221606404 in words is "one hundred trillion, six hundred forty-one billion, two hundred twenty-one million, six hundred six thousand, four hundred four".