1210221020201 has 8 divisors (see below), whose sum is σ = 1224940009440. Its totient is φ = 1195505317152.

The previous prime is 1210221020153. The next prime is 1210221020207. The reversal of 1210221020201 is 1020201220121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210221020201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210221020207) 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, 76436 + ... + 1557653.

It is an arithmetic number, because the mean of its divisors is an integer number (153117501180).

Almost surely, 2^{1210221020201} is an apocalyptic number.

It is an amenable number.

1210221020201 is a deficient number, since it is larger than the sum of its proper divisors (14718989239).

1210221020201 is an equidigital number, since it uses as much as digits as its factorization.

1210221020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643095.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1210221020201 its reverse (1020201220121), we get a palindrome (2230422240322).

The spelling of 1210221020201 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, twenty thousand, two hundred one".