2021554144002 has 8 divisors (see below), whose sum is σ = 4043108288016. Its totient is φ = 673851381332.

The previous prime is 2021554143971. The next prime is 2021554144039. The reversal of 2021554144002 is 2004414551202.

It is a sphenic number, since it is the product of 3 distinct primes.

2021554144002 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168462845328 + ... + 168462845339.

It is an arithmetic number, because the mean of its divisors is an integer number (505388536002).

Almost surely, 2^{2021554144002} is an apocalyptic number.

2021554144002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2021554144002 is a wasteful number, since it uses less digits than its factorization.

2021554144002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336925690672.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 2021554144002 its reverse (2004414551202), we get a palindrome (4025968695204).

The spelling of 2021554144002 in words is "two trillion, twenty-one billion, five hundred fifty-four million, one hundred forty-four thousand, two".