101211212211 has 8 divisors (see below), whose sum is σ = 135537577680. Its totient is φ = 67179494112.

The previous prime is 101211212147. The next prime is 101211212213. The reversal of 101211212211 is 112212112101.

It is a happy number.

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

It is not a de Polignac number, because 101211212211 - 2⁶ = 101211212147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101211212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73661040 + ... + 73662413.

It is an arithmetic number, because the mean of its divisors is an integer number (16942197210).

Almost surely, 2^101211212211 is an apocalyptic number.

101211212211 is a deficient number, since it is larger than the sum of its proper divisors (34326365469).

101211212211 is a wasteful number, since it uses less digits than its factorization.

101211212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147323685.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101211212211 its reverse (112212112101), we get a palindrome (213423324312).

The spelling of 101211212211 in words is "one hundred one billion, two hundred eleven million, two hundred twelve thousand, two hundred eleven".