100121000221011 has 32 divisors (see below), whose sum is σ = 170305488764928. Its totient is φ = 50801353172640.

The previous prime is 100121000221009. The next prime is 100121000221049. The reversal of 100121000221011 is 110122000121001.

It is not a de Polignac number, because 100121000221011 - 2¹ = 100121000221009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100121000221091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5039806851 + ... + 5039826716.

It is an arithmetic number, because the mean of its divisors is an integer number (5322046523904).

Almost surely, 2^{100121000221011} is an apocalyptic number.

100121000221011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100121000221011 is a deficient number, since it is larger than the sum of its proper divisors (70184488543917).

100121000221011 is a wasteful number, since it uses less digits than its factorization.

100121000221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10079633631.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100121000221011 its reverse (110122000121001), we get a palindrome (210243000342012).

The spelling of 100121000221011 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twenty-one thousand, eleven".