100212111211101 has 16 divisors (see below), whose sum is σ = 133635312459264. Its totient is φ = 66798492631344.

The previous prime is 100212111211099. The next prime is 100212111211181. The reversal of 100212111211101 is 101112111212001.

It is not a de Polignac number, because 100212111211101 - 2¹ = 100212111211099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212111211181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996857026 + ... + 996957548.

It is an arithmetic number, because the mean of its divisors is an integer number (8352207028704).

Almost surely, 2^{100212111211101} is an apocalyptic number.

It is an amenable number.

100212111211101 is a deficient number, since it is larger than the sum of its proper divisors (33423201248163).

100212111211101 is a wasteful number, since it uses less digits than its factorization.

100212111211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144880.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 100212111211101 its reverse (101112111212001), we get a palindrome (201324222423102).

The spelling of 100212111211101 in words is "one hundred trillion, two hundred twelve billion, one hundred eleven million, two hundred eleven thousand, one hundred one".