1220023211201 has 8 divisors (see below), whose sum is σ = 1222686167040. Its totient is φ = 1217360472048.

The previous prime is 1220023211177. The next prime is 1220023211213. The reversal of 1220023211201 is 1021123200221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220023211201 - 2²² = 1220019016897 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 1220023211201.

It is not an unprimeable number, because it can be changed into a prime (1220023211261) 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 7 ways as a sum of consecutive naturals, for example, 17107520 + ... + 17178686.

It is an arithmetic number, because the mean of its divisors is an integer number (152835770880).

Almost surely, 2^{1220023211201} is an apocalyptic number.

It is an amenable number.

1220023211201 is a deficient number, since it is larger than the sum of its proper divisors (2662955839).

1220023211201 is an equidigital number, since it uses as much as digits as its factorization.

1220023211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108343.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1220023211201 its reverse (1021123200221), we get a palindrome (2241146411422).

The spelling of 1220023211201 in words is "one trillion, two hundred twenty billion, twenty-three million, two hundred eleven thousand, two hundred one".