7201001111 has 4 divisors (see below), whose sum is σ = 7212748872. Its totient is φ = 7189253352.

The previous prime is 7201001047. The next prime is 7201001113. The reversal of 7201001111 is 1111001027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7201001111 - 2⁶ = 7201001047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7201001113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5872961 + ... + 5874186.

It is an arithmetic number, because the mean of its divisors is an integer number (1803187218).

Almost surely, 2^7201001111 is an apocalyptic number.

7201001111 is a deficient number, since it is larger than the sum of its proper divisors (11747761).

7201001111 is a wasteful number, since it uses less digits than its factorization.

7201001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11747760.

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

The square root of 7201001111 is about 84858.7126404826. The cubic root of 7201001111 is about 1931.0682615491.

Adding to 7201001111 its reverse (1111001027), we get a palindrome (8312002138).

The spelling of 7201001111 in words is "seven billion, two hundred one million, one thousand, one hundred eleven".