1222021120001 has 8 divisors (see below), whose sum is σ = 1333125415584. Its totient is φ = 1110918735520.

The previous prime is 1222021119973. The next prime is 1222021120013. The reversal of 1222021120001 is 1000211202221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1222021120001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222021120091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080101 + ... + 1900173.

It is an arithmetic number, because the mean of its divisors is an integer number (166640676948).

Almost surely, 2^{1222021120001} is an apocalyptic number.

1222021120001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222021120001 is a deficient number, since it is larger than the sum of its proper divisors (111104295583).

1222021120001 is a wasteful number, since it uses less digits than its factorization.

1222021120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955551.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222021120001 its reverse (1000211202221), we get a palindrome (2222232322222).

The spelling of 1222021120001 in words is "one trillion, two hundred twenty-two billion, twenty-one million, one hundred twenty thousand, one".