2021523100144 has 10 divisors (see below), whose sum is σ = 3916701006560. Its totient is φ = 1010761550064.

The previous prime is 2021523100087. The next prime is 2021523100153. The reversal of 2021523100144 is 4410013251202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63172596864 + ... + 63172596895.

It is an arithmetic number, because the mean of its divisors is an integer number (391670100656).

Almost surely, 2^{2021523100144} is an apocalyptic number.

It is an amenable number.

2021523100144 is a deficient number, since it is larger than the sum of its proper divisors (1895177906416).

2021523100144 is a wasteful number, since it uses less digits than its factorization.

2021523100144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126345193767 (or 126345193761 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2021523100144 its reverse (4410013251202), we get a palindrome (6431536351346).

The spelling of 2021523100144 in words is "two trillion, twenty-one billion, five hundred twenty-three million, one hundred thousand, one hundred forty-four".