101221211002211 has 8 divisors (see below), whose sum is σ = 107175786788304. Its totient is φ = 95266678205440.

The previous prime is 101221211002193. The next prime is 101221211002213. The reversal of 101221211002211 is 112200112122101.

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 101221211002211 - 2²⁶ = 101221143893347 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 101221211002211.

It is not an unprimeable number, because it can be changed into a prime (101221211002213) 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, 5835545 + ... + 15378426.

It is an arithmetic number, because the mean of its divisors is an integer number (13396973348538).

Almost surely, 2^{101221211002211} is an apocalyptic number.

101221211002211 is a deficient number, since it is larger than the sum of its proper divisors (5954575786093).

101221211002211 is a wasteful number, since it uses less digits than its factorization.

101221211002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21494661.

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

Adding to 101221211002211 its reverse (112200112122101), we get a palindrome (213421323124312).

The spelling of 101221211002211 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred eleven million, two thousand, two hundred eleven".