1201201111211 has 8 divisors (see below), whose sum is σ = 1215071454240. Its totient is φ = 1187339072832.

The previous prime is 1201201111199. The next prime is 1201201111241. The reversal of 1201201111211 is 1121111021021.

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 1201201111211 - 2¹⁸ = 1201200849067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201201111241) 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, 1784975 + ... + 2364008.

It is an arithmetic number, because the mean of its divisors is an integer number (151883931780).

Almost surely, 2^{1201201111211} is an apocalyptic number.

1201201111211 is a deficient number, since it is larger than the sum of its proper divisors (13870343029).

1201201111211 is an equidigital number, since it uses as much as digits as its factorization.

1201201111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152325.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1201201111211 its reverse (1121111021021), we get a palindrome (2322312132232).

The spelling of 1201201111211 in words is "one trillion, two hundred one billion, two hundred one million, one hundred eleven thousand, two hundred eleven".