2211011121 has 8 divisors (see below), whose sum is σ = 3216016224. Its totient is φ = 1340006720.

The previous prime is 2211011107. The next prime is 2211011129. The reversal of 2211011121 is 1211101122.

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 2211011121 - 2¹⁰ = 2211010097 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2211011097 and 2211011106.

It is not an unprimeable number, because it can be changed into a prime (2211011129) 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, 33500136 + ... + 33500201.

It is an arithmetic number, because the mean of its divisors is an integer number (402002028).

Almost surely, 2^2211011121 is an apocalyptic number.

It is an amenable number.

2211011121 is a deficient number, since it is larger than the sum of its proper divisors (1005005103).

2211011121 is a wasteful number, since it uses less digits than its factorization.

2211011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67000351.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 2211011121 is about 47021.3900368758. The cubic root of 2211011121 is about 1302.7576807291.

Adding to 2211011121 its reverse (1211101122), we get a palindrome (3422112243).

Subtracting from 2211011121 its reverse (1211101122), we obtain a palindrome (999909999).

It can be divided in two parts, 221101 and 1121, that added together give a palindrome (222222).

The spelling of 2211011121 in words is "two billion, two hundred eleven million, eleven thousand, one hundred twenty-one".