100212210121111 has 8 divisors (see below), whose sum is σ = 109799801485200. Its totient is φ = 90704183831040.

The previous prime is 100212210121081. The next prime is 100212210121117. The reversal of 100212210121111 is 111121012212001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100212210121111 - 2¹³ = 100212210112919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212210121117) 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, 19891265866 + ... + 19891270903.

It is an arithmetic number, because the mean of its divisors is an integer number (13724975185650).

Almost surely, 2^{100212210121111} is an apocalyptic number.

100212210121111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100212210121111 is a deficient number, since it is larger than the sum of its proper divisors (9587591364089).

100212210121111 is a wasteful number, since it uses less digits than its factorization.

100212210121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39782537009.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 100212210121111 its reverse (111121012212001), we get a palindrome (211333222333112).

The spelling of 100212210121111 in words is "one hundred trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, one hundred eleven".