12220121101201 has 8 divisors (see below), whose sum is σ = 13173600369384. Its totient is φ = 11268566112000.

The previous prime is 12220121101183. The next prime is 12220121101219. The reversal of 12220121101201 is 10210112102221.

It is an interprime number because it is at equal distance from previous prime (12220121101183) and next prime (12220121101219).

It can be written as a sum of positive squares in 4 ways, for example, as 1985912282176 + 10234208819025 = 1409224^2 + 3199095^2 .

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 12220121101201 - 2⁷ = 12220121101073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220121105201) 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, 481056550 + ... + 481081951.

It is an arithmetic number, because the mean of its divisors is an integer number (1646700046173).

Almost surely, 2^{12220121101201} is an apocalyptic number.

It is an amenable number.

12220121101201 is a deficient number, since it is larger than the sum of its proper divisors (953479268183).

12220121101201 is an equidigital number, since it uses as much as digits as its factorization.

12220121101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962139491.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12220121101201 its reverse (10210112102221), we get a palindrome (22430233203422).

The spelling of 12220121101201 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, one hundred one thousand, two hundred one".