101211212211009 has 8 divisors (see below), whose sum is σ = 136962436425120. Its totient is φ = 66467064735456.

The previous prime is 101211212210993. The next prime is 101211212211019. The reversal of 101211212211009 is 900112212112101.

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

It is not a de Polignac number, because 101211212211009 - 2⁴ = 101211212210993 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101211212211009.

It is not an unprimeable number, because it can be changed into a prime (101211212211019) 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, 251769184404 + ... + 251769184805.

It is an arithmetic number, because the mean of its divisors is an integer number (17120304553140).

Almost surely, 2^{101211212211009} is an apocalyptic number.

It is an amenable number.

101211212211009 is a deficient number, since it is larger than the sum of its proper divisors (35751224214111).

101211212211009 is an equidigital number, since it uses as much as digits as its factorization.

101211212211009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503538369279.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 101211212211009 in words is "one hundred one trillion, two hundred eleven billion, two hundred twelve million, two hundred eleven thousand, nine".