100112101021012 has 6 divisors (see below), whose sum is σ = 175196176786778. Its totient is φ = 50056050510504.

The previous prime is 100112101021001. The next prime is 100112101021019. The reversal of 100112101021012 is 210120101211001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83679244388496 + 16432856632516 = 9147636^2 + 4053746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100112101020983 and 100112101021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112101021019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12514012627623 + ... + 12514012627630.

Almost surely, 2^{100112101021012} is an apocalyptic number.

It is an amenable number.

100112101021012 is a deficient number, since it is larger than the sum of its proper divisors (75084075765766).

100112101021012 is a wasteful number, since it uses less digits than its factorization.

100112101021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25028025255257 (or 25028025255255 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100112101021012 its reverse (210120101211001), we get a palindrome (310232202232013).

The spelling of 100112101021012 in words is "one hundred trillion, one hundred twelve billion, one hundred one million, twenty-one thousand, twelve".