2211354121 has 4 divisors (see below), whose sum is σ = 2327741200. Its totient is φ = 2094967044.

The previous prime is 2211354109. The next prime is 2211354137. The reversal of 2211354121 is 1214531122.

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 2211354121 - 2¹⁵ = 2211321353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211354092 and 2211354101.

It is not an unprimeable number, because it can be changed into a prime (2211354181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58193511 + ... + 58193548.

It is an arithmetic number, because the mean of its divisors is an integer number (581935300).

Almost surely, 2^2211354121 is an apocalyptic number.

It is an amenable number.

2211354121 is a deficient number, since it is larger than the sum of its proper divisors (116387079).

2211354121 is a wasteful number, since it uses less digits than its factorization.

2211354121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116387078.

The product of its digits is 480, while the sum is 22.

The square root of 2211354121 is about 47025.0371717025. The cubic root of 2211354121 is about 1302.8250439934.

Adding to 2211354121 its reverse (1214531122), we get a palindrome (3425885243).

The spelling of 2211354121 in words is "two billion, two hundred eleven million, three hundred fifty-four thousand, one hundred twenty-one".