2021340122144 has 96 divisors (see below), whose sum is σ = 4677087090816. Its totient is φ = 841765201920.

The previous prime is 2021340122119. The next prime is 2021340122171. The reversal of 2021340122144 is 4412210431202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6146927 + ... + 6467409.

It is an arithmetic number, because the mean of its divisors is an integer number (48719657196).

Almost surely, 2^{2021340122144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021340122144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2338543545408).

2021340122144 is an abundant number, since it is smaller than the sum of its proper divisors (2655746968672).

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

2021340122144 is a wasteful number, since it uses less digits than its factorization.

2021340122144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321298 (or 321290 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 2021340122144 its reverse (4412210431202), we get a palindrome (6433550553346).

The spelling of 2021340122144 in words is "two trillion, twenty-one billion, three hundred forty million, one hundred twenty-two thousand, one hundred forty-four".