2211011201 has 4 divisors (see below), whose sum is σ = 2526869952. Its totient is φ = 1895152452.

The previous prime is 2211011161. The next prime is 2211011203. The reversal of 2211011201 is 1021101122.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1021101122 = 2 ⋅510550561.

It is a cyclic number.

It is not a de Polignac number, because 2211011201 - 2¹⁰ = 2211010177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211011203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157929365 + ... + 157929378.

It is an arithmetic number, because the mean of its divisors is an integer number (631717488).

Almost surely, 2^2211011201 is an apocalyptic number.

It is an amenable number.

2211011201 is a deficient number, since it is larger than the sum of its proper divisors (315858751).

2211011201 is an equidigital number, since it uses as much as digits as its factorization.

2211011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315858750.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2211011201 is about 47021.3908875524. The cubic root of 2211011201 is about 1302.7576964415.

Adding to 2211011201 its reverse (1021101122), we get a palindrome (3232112323).

The spelling of 2211011201 in words is "two billion, two hundred eleven million, eleven thousand, two hundred one".