2210011121 has 4 divisors (see below), whose sum is σ = 2212684272. Its totient is φ = 2207337972.

The previous prime is 2210011117. The next prime is 2210011127. The reversal of 2210011121 is 1211100122.

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: 1211100122 = 2 ⋅605550061.

It is a cyclic number.

It is not a de Polignac number, because 2210011121 - 2² = 2210011117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210011127) 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, 1335335 + ... + 1336988.

It is an arithmetic number, because the mean of its divisors is an integer number (553171068).

Almost surely, 2^2210011121 is an apocalyptic number.

It is an amenable number.

2210011121 is a deficient number, since it is larger than the sum of its proper divisors (2673151).

2210011121 is an equidigital number, since it uses as much as digits as its factorization.

2210011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673150.

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

The square root of 2210011121 is about 47010.7553757648. The cubic root of 2210011121 is about 1302.5612465996.

Adding to 2210011121 its reverse (1211100122), we get a palindrome (3421111243).

The spelling of 2210011121 in words is "two billion, two hundred ten million, eleven thousand, one hundred twenty-one".