101212101201211 has 144 divisors (see below), whose sum is σ = 142711554770400. Its totient is φ = 71055672145920.

The previous prime is 101212101201151. The next prime is 101212101201217. The reversal of 101212101201211 is 112102101212101.

It is not a de Polignac number, because 101212101201211 - 2⁷ = 101212101201083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101212101201217) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4934998825 + ... + 4935019333.

Almost surely, 2^{101212101201211} is an apocalyptic number.

101212101201211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101212101201211 is a deficient number, since it is larger than the sum of its proper divisors (41499453569189).

101212101201211 is a wasteful number, since it uses less digits than its factorization.

101212101201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22090 (or 22072 counting only the distinct ones).

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

Adding to 101212101201211 its reverse (112102101212101), we get a palindrome (213314202413312).

The spelling of 101212101201211 in words is "one hundred one trillion, two hundred twelve billion, one hundred one million, two hundred one thousand, two hundred eleven".