100212210121211 has 8 divisors (see below), whose sum is σ = 106113486013920. Its totient is φ = 94311649784448.

The previous prime is 100212210121181. The next prime is 100212210121223. The reversal of 100212210121211 is 112121012212001.

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 100212210121211 - 2⁶ = 100212210121147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100212210121211.

It is not an unprimeable number, because it can be changed into a prime (100212210123211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178600631 + ... + 179160848.

It is an arithmetic number, because the mean of its divisors is an integer number (13264185751740).

Almost surely, 2^{100212210121211} is an apocalyptic number.

100212210121211 is a deficient number, since it is larger than the sum of its proper divisors (5901275892709).

100212210121211 is a wasteful number, since it uses less digits than its factorization.

100212210121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357777973.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100212210121211 its reverse (112121012212001), we get a palindrome (212333222333212).

The spelling of 100212210121211 in words is "one hundred trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, two hundred eleven".