1201000112221 has 8 divisors (see below), whose sum is σ = 1478153984384. Its totient is φ = 950241846960.

The previous prime is 1201000112189. The next prime is 1201000112227. The reversal of 1201000112221 is 1222110001021.

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

It is not a de Polignac number, because 1201000112221 - 2⁵ = 1201000112189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201000112227) 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, 6598901625 + ... + 6598901806.

It is an arithmetic number, because the mean of its divisors is an integer number (184769248048).

Almost surely, 2^{1201000112221} is an apocalyptic number.

It is an amenable number.

1201000112221 is a deficient number, since it is larger than the sum of its proper divisors (277153872163).

1201000112221 is a wasteful number, since it uses less digits than its factorization.

1201000112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13197803451.

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

Adding to 1201000112221 its reverse (1222110001021), we get a palindrome (2423110113242).

The spelling of 1201000112221 in words is "one trillion, two hundred one billion, one hundred twelve thousand, two hundred twenty-one".