2142301122 has 72 divisors (see below), whose sum is σ = 5212522224. Its totient is φ = 659144304.

The previous prime is 2142301043. The next prime is 2142301171. The reversal of 2142301122 is 2211032412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2142301095 and 2142301104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69093 + ... + 95175.

It is an arithmetic number, because the mean of its divisors is an integer number (72396142).

Almost surely, 2^2142301122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142301122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606261112).

2142301122 is an abundant number, since it is smaller than the sum of its proper divisors (3070221102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142301122 is a wasteful number, since it uses less digits than its factorization.

2142301122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26126 (or 26101 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2142301122 is about 46284.9988873285. The cubic root of 2142301122 is about 1289.1204713182.

Adding to 2142301122 its reverse (2211032412), we get a palindrome (4353333534).

The spelling of 2142301122 in words is "two billion, one hundred forty-two million, three hundred one thousand, one hundred twenty-two".