100556216221102 has 4 divisors (see below), whose sum is σ = 150834324331656. Its totient is φ = 50278108110550.

The previous prime is 100556216221079. The next prime is 100556216221121. The reversal of 100556216221102 is 201122612655001.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×100556216221102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25139054055274 + ... + 25139054055277.

It is an arithmetic number, because the mean of its divisors is an integer number (37708581082914).

Almost surely, 2^{100556216221102} is an apocalyptic number.

100556216221102 is a deficient number, since it is larger than the sum of its proper divisors (50278108110554).

100556216221102 is an equidigital number, since it uses as much as digits as its factorization.

100556216221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50278108110553.

The product of its (nonzero) digits is 14400, while the sum is 34.

Adding to 100556216221102 its reverse (201122612655001), we get a palindrome (301678828876103).

The spelling of 100556216221102 in words is "one hundred trillion, five hundred fifty-six billion, two hundred sixteen million, two hundred twenty-one thousand, one hundred two".