100011102121012 has 24 divisors (see below), whose sum is σ = 181094019240960. Its totient is φ = 48270704963040.

The previous prime is 100011102120913. The next prime is 100011102121013. The reversal of 100011102121012 is 210121201110001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100011102120983 and 100011102121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011102121013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93364708 + ... + 94429819.

It is an arithmetic number, because the mean of its divisors is an integer number (7545584135040).

Almost surely, 2^{100011102121012} is an apocalyptic number.

It is an amenable number.

100011102121012 is a deficient number, since it is larger than the sum of its proper divisors (81082917119948).

100011102121012 is a wasteful number, since it uses less digits than its factorization.

100011102121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187799151 (or 187799149 counting only the distinct ones).

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

Adding to 100011102121012 its reverse (210121201110001), we get a palindrome (310132303231013).

The spelling of 100011102121012 in words is "one hundred trillion, eleven billion, one hundred two million, one hundred twenty-one thousand, twelve".