1220120110201 has 16 divisors (see below), whose sum is σ = 1233472002048. Its totient is φ = 1206832291600.

The previous prime is 1220120110199. The next prime is 1220120110229. The reversal of 1220120110201 is 1020110210221.

It is a cyclic number.

It is not a de Polignac number, because 1220120110201 - 2¹ = 1220120110199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220120110291) 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 15 ways as a sum of consecutive naturals, for example, 177778896 + ... + 177785758.

It is an arithmetic number, because the mean of its divisors is an integer number (77092000128).

Almost surely, 2^{1220120110201} is an apocalyptic number.

It is an amenable number.

1220120110201 is a deficient number, since it is larger than the sum of its proper divisors (13351891847).

1220120110201 is a wasteful number, since it uses less digits than its factorization.

1220120110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11252.

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

Adding to 1220120110201 its reverse (1020110210221), we get a palindrome (2240230320422).

The spelling of 1220120110201 in words is "one trillion, two hundred twenty billion, one hundred twenty million, one hundred ten thousand, two hundred one".