101222120012201 has 4 divisors (see below), whose sum is σ = 101281348872900. Its totient is φ = 101162891151504.

The previous prime is 101222120012197. The next prime is 101222120012219. The reversal of 101222120012201 is 102210021222101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13812260755225 + 87409859256976 = 3716485^2 + 9349324^2 .

It is a cyclic number.

It is not a de Polignac number, because 101222120012201 - 2² = 101222120012197 is a prime.

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 101222120012201.

It is not an unprimeable number, because it can be changed into a prime (101222120012401) 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 3 ways as a sum of consecutive naturals, for example, 29614427786 + ... + 29614431203.

It is an arithmetic number, because the mean of its divisors is an integer number (25320337218225).

Almost surely, 2^{101222120012201} is an apocalyptic number.

It is an amenable number.

101222120012201 is a deficient number, since it is larger than the sum of its proper divisors (59228860699).

101222120012201 is an equidigital number, since it uses as much as digits as its factorization.

101222120012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59228860698.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101222120012201 its reverse (102210021222101), we get a palindrome (203432141234302).

The spelling of 101222120012201 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twenty million, twelve thousand, two hundred one".