2061111201 has 4 divisors (see below), whose sum is σ = 2748148272. Its totient is φ = 1374074132.

The previous prime is 2061111197. The next prime is 2061111211. The reversal of 2061111201 is 1021111602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2061111201 - 2² = 2061111197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2061111211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343518531 + ... + 343518536.

It is an arithmetic number, because the mean of its divisors is an integer number (687037068).

Almost surely, 2^2061111201 is an apocalyptic number.

It is an amenable number.

2061111201 is a deficient number, since it is larger than the sum of its proper divisors (687037071).

2061111201 is an equidigital number, since it uses as much as digits as its factorization.

2061111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687037070.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 2061111201 is about 45399.4625628983. The cubic root of 2061111201 is about 1272.6250704158.

Adding to 2061111201 its reverse (1021111602), we get a palindrome (3082222803).

The spelling of 2061111201 in words is "two billion, sixty-one million, one hundred eleven thousand, two hundred one".