100556212102 has 16 divisors (see below), whose sum is σ = 153498430800. Its totient is φ = 49391264160.

The previous prime is 100556212069. The next prime is 100556212103. The reversal of 100556212102 is 201212655001.

It is a super-2 number, since 2×100556212102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100556212103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 129549 + ... + 466792.

It is an arithmetic number, because the mean of its divisors is an integer number (9593651925).

Almost surely, 2^100556212102 is an apocalyptic number.

100556212102 is a deficient number, since it is larger than the sum of its proper divisors (52942218698).

100556212102 is a wasteful number, since it uses less digits than its factorization.

100556212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597831.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 100556212102 its reverse (201212655001), we get a palindrome (301768867103).

The spelling of 100556212102 in words is "one hundred billion, five hundred fifty-six million, two hundred twelve thousand, one hundred two".