2154822202002 has 8 divisors (see below), whose sum is σ = 4309644404016. Its totient is φ = 718274067332.

The previous prime is 2154822201989. The next prime is 2154822202087. The reversal of 2154822202002 is 2002022284512.

It is a happy number.

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

2154822202002 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179568516828 + ... + 179568516839.

It is an arithmetic number, because the mean of its divisors is an integer number (538705550502).

Almost surely, 2^{2154822202002} is an apocalyptic number.

2154822202002 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.

2154822202002 is a wasteful number, since it uses less digits than its factorization.

2154822202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359137033672.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 2154822202002 its reverse (2002022284512), we get a palindrome (4156844486514).

The spelling of 2154822202002 in words is "two trillion, one hundred fifty-four billion, eight hundred twenty-two million, two hundred two thousand, two".