2021202232144 has 20 divisors (see below), whose sum is σ = 3916101793300. Its totient is φ = 1010595317760.

The previous prime is 2021202232087. The next prime is 2021202232151. The reversal of 2021202232144 is 4412322021202.

It can be written as a sum of positive squares in 2 ways, for example, as 1493254672144 + 527947560000 = 1221988^2 + 726600^2 .

It is a congruent number.

It is an unprimeable number.

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, 4449814 + ... + 4882954.

It is an arithmetic number, because the mean of its divisors is an integer number (195805089665).

Almost surely, 2^{2021202232144} is an apocalyptic number.

It is an amenable number.

2021202232144 is a deficient number, since it is larger than the sum of its proper divisors (1894899561156).

2021202232144 is a wasteful number, since it uses less digits than its factorization.

2021202232144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724798 (or 724792 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2021202232144 its reverse (4412322021202), we get a palindrome (6433524253346).

The spelling of 2021202232144 in words is "two trillion, twenty-one billion, two hundred two million, two hundred thirty-two thousand, one hundred forty-four".