101211110222201 has 16 divisors (see below), whose sum is σ = 124549778148480. Its totient is φ = 80265412573440.

The previous prime is 101211110222161. The next prime is 101211110222203. The reversal of 101211110222201 is 102222011112101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101211110222201 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 101211110222201.

It is not an unprimeable number, because it can be changed into a prime (101211110222203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7207734770 + ... + 7207748811.

It is an arithmetic number, because the mean of its divisors is an integer number (7784361134280).

Almost surely, 2^{101211110222201} is an apocalyptic number.

It is an amenable number.

101211110222201 is a deficient number, since it is larger than the sum of its proper divisors (23338667926279).

101211110222201 is a wasteful number, since it uses less digits than its factorization.

101211110222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14415483664.

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

Adding to 101211110222201 its reverse (102222011112101), we get a palindrome (203433121334302).

The spelling of 101211110222201 in words is "one hundred one trillion, two hundred eleven billion, one hundred ten million, two hundred twenty-two thousand, two hundred one".