1201200021211 has 8 divisors (see below), whose sum is σ = 1239962783744. Its totient is φ = 1162438157160.

The previous prime is 1201200021191. The next prime is 1201200021221. The reversal of 1201200021211 is 1121200021021.

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 1201200021211 - 2¹³ = 1201200013019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201200021191 and 1201200021200.

It is not an unprimeable number, because it can be changed into a prime (1201200021221) 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, 3443350 + ... + 3776116.

It is an arithmetic number, because the mean of its divisors is an integer number (154995347968).

Almost surely, 2^{1201200021211} is an apocalyptic number.

1201200021211 is a deficient number, since it is larger than the sum of its proper divisors (38762762533).

1201200021211 is a wasteful number, since it uses less digits than its factorization.

1201200021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449241.

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

Adding to 1201200021211 its reverse (1121200021021), we get a palindrome (2322400042232).

The spelling of 1201200021211 in words is "one trillion, two hundred one billion, two hundred million, twenty-one thousand, two hundred eleven".