1222012101001 has 4 divisors (see below), whose sum is σ = 1225992596752. Its totient is φ = 1218031605252.

The previous prime is 1222012100993. The next prime is 1222012101017. The reversal of 1222012101001 is 1001012102221.

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 1222012101001 - 2³ = 1222012100993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222012101041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990247415 + ... + 1990248028.

It is an arithmetic number, because the mean of its divisors is an integer number (306498149188).

Almost surely, 2^{1222012101001} is an apocalyptic number.

It is an amenable number.

1222012101001 is a deficient number, since it is larger than the sum of its proper divisors (3980495751).

1222012101001 is an equidigital number, since it uses as much as digits as its factorization.

1222012101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980495750.

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

Adding to 1222012101001 its reverse (1001012102221), we get a palindrome (2223024203222).

The spelling of 1222012101001 in words is "one trillion, two hundred twenty-two billion, twelve million, one hundred one thousand, one".