1222001120101 has 4 divisors (see below), whose sum is σ = 1261420511104. Its totient is φ = 1182581729100.

The previous prime is 1222001120077. The next prime is 1222001120149. The reversal of 1222001120101 is 1010211002221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222001120101 - 2²¹ = 1221999022949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222001120191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19709695455 + ... + 19709695516.

It is an arithmetic number, because the mean of its divisors is an integer number (315355127776).

Almost surely, 2^{1222001120101} is an apocalyptic number.

It is an amenable number.

1222001120101 is a deficient number, since it is larger than the sum of its proper divisors (39419391003).

1222001120101 is an equidigital number, since it uses as much as digits as its factorization.

1222001120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39419391002.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1222001120101 its reverse (1010211002221), we get a palindrome (2232212122322).

The spelling of 1222001120101 in words is "one trillion, two hundred twenty-two billion, one million, one hundred twenty thousand, one hundred one".