101212212211 has 64 divisors (see below), whose sum is σ = 117307846656. Its totient is φ = 86519664000.

The previous prime is 101212212191. The next prime is 101212212221. The reversal of 101212212211 is 112212212101.

It is not a de Polignac number, because 101212212211 - 2²³ = 101203823603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101212212221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 329681320 + ... + 329681626.

It is an arithmetic number, because the mean of its divisors is an integer number (1832935104).

Almost surely, 2^101212212211 is an apocalyptic number.

101212212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101212212211 is a deficient number, since it is larger than the sum of its proper divisors (16095634445).

101212212211 is a wasteful number, since it uses less digits than its factorization.

101212212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101212212211 its reverse (112212212101), we get a palindrome (213424424312).

The spelling of 101212212211 in words is "one hundred one billion, two hundred twelve million, two hundred twelve thousand, two hundred eleven".