1201021021201 has 8 divisors (see below), whose sum is σ = 1218021062400. Its totient is φ = 1184023320480.

The previous prime is 1201021021157. The next prime is 1201021021219. The reversal of 1201021021201 is 1021201201021.

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 1201021021201 - 2²⁵ = 1200987466769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201021021231) 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 7 ways as a sum of consecutive naturals, for example, 461605 + ... + 1617133.

It is an arithmetic number, because the mean of its divisors is an integer number (152252632800).

Almost surely, 2^{1201021021201} is an apocalyptic number.

It is an amenable number.

1201021021201 is a deficient number, since it is larger than the sum of its proper divisors (17000041199).

1201021021201 is a wasteful number, since it uses less digits than its factorization.

1201021021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170239.

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

Adding to 1201021021201 its reverse (1021201201021), we get a palindrome (2222222222222).

The spelling of 1201021021201 in words is "one trillion, two hundred one billion, twenty-one million, twenty-one thousand, two hundred one".