2141122321 has 4 divisors (see below), whose sum is σ = 2305824052. Its totient is φ = 1976420592.

The previous prime is 2141122297. The next prime is 2141122411. The reversal of 2141122321 is 1232211412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 101606400 + 2039515921 = 10080^2 + 45161^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141122321 - 2²¹ = 2139025169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141120321) 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, 82350846 + ... + 82350871.

It is an arithmetic number, because the mean of its divisors is an integer number (576456013).

Almost surely, 2^2141122321 is an apocalyptic number.

It is an amenable number.

2141122321 is a deficient number, since it is larger than the sum of its proper divisors (164701731).

2141122321 is a wasteful number, since it uses less digits than its factorization.

2141122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164701730.

The product of its digits is 192, while the sum is 19.

The square root of 2141122321 is about 46272.2629768634. The cubic root of 2141122321 is about 1288.8839817956.

Adding to 2141122321 its reverse (1232211412), we get a palindrome (3373333733).

The spelling of 2141122321 in words is "two billion, one hundred forty-one million, one hundred twenty-two thousand, three hundred twenty-one".