1201221011002 has 8 divisors (see below), whose sum is σ = 1828724524416. Its totient is φ = 591646169532.

The previous prime is 1201221010993. The next prime is 1201221011057. The reversal of 1201221011002 is 2001101221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4482167818 + ... + 4482168085.

It is an arithmetic number, because the mean of its divisors is an integer number (228590565552).

Almost surely, 2^{1201221011002} is an apocalyptic number.

1201221011002 is a deficient number, since it is larger than the sum of its proper divisors (627503513414).

1201221011002 is an equidigital number, since it uses as much as digits as its factorization.

1201221011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8964335972.

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

Adding to 1201221011002 its reverse (2001101221021), we get a palindrome (3202322232023).

The spelling of 1201221011002 in words is "one trillion, two hundred one billion, two hundred twenty-one million, eleven thousand, two".