1220120010211 has 8 divisors (see below), whose sum is σ = 1222174230464. Its totient is φ = 1218065999040.

The previous prime is 1220120010209. The next prime is 1220120010299. The reversal of 1220120010211 is 1120100210221.

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 1220120010211 - 2¹ = 1220120010209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220120010191 and 1220120010200.

It is not an unprimeable number, because it can be changed into a prime (1220120017211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15482470 + ... + 15561076.

It is an arithmetic number, because the mean of its divisors is an integer number (152771778808).

Almost surely, 2^{1220120010211} is an apocalyptic number.

1220120010211 is a deficient number, since it is larger than the sum of its proper divisors (2054220253).

1220120010211 is an equidigital number, since it uses as much as digits as its factorization.

1220120010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104541.

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

Adding to 1220120010211 its reverse (1120100210221), we get a palindrome (2340220220432).

The spelling of 1220120010211 in words is "one trillion, two hundred twenty billion, one hundred twenty million, ten thousand, two hundred eleven".