1202121221201 has 8 divisors (see below), whose sum is σ = 1217382007680. Its totient is φ = 1186861536432.

The previous prime is 1202121221177. The next prime is 1202121221207. The reversal of 1202121221201 is 1021221212021.

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 1202121221201 - 2¹⁰ = 1202121220177 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 1202121221201.

It is not an unprimeable number, because it can be changed into a prime (1202121221207) 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, 2043866 + ... + 2565468.

It is an arithmetic number, because the mean of its divisors is an integer number (152172750960).

Almost surely, 2^{1202121221201} is an apocalyptic number.

It is an amenable number.

1202121221201 is a deficient number, since it is larger than the sum of its proper divisors (15260786479).

1202121221201 is an equidigital number, since it uses as much as digits as its factorization.

1202121221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550855.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1202121221201 its reverse (1021221212021), we get a palindrome (2223342433222).

The spelling of 1202121221201 in words is "one trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred one".