1201120001111 has 8 divisors (see below), whose sum is σ = 1204076517600. Its totient is φ = 1198164487680.

The previous prime is 1201120001099. The next prime is 1201120001131. The reversal of 1201120001111 is 1111000211021.

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 1201120001111 - 2³⁰ = 1200046259287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201120001092 and 1201120001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201120001131) 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, 2175935 + ... + 2671503.

It is an arithmetic number, because the mean of its divisors is an integer number (150509564700).

Almost surely, 2^{1201120001111} is an apocalyptic number.

1201120001111 is a deficient number, since it is larger than the sum of its proper divisors (2956516489).

1201120001111 is an equidigital number, since it uses as much as digits as its factorization.

1201120001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501529.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1201120001111 its reverse (1111000211021), we get a palindrome (2312120212132).

The spelling of 1201120001111 in words is "one trillion, two hundred one billion, one hundred twenty million, one thousand, one hundred eleven".