20221021012002 has 8 divisors (see below), whose sum is σ = 40442042024016. Its totient is φ = 6740340337332.

The previous prime is 20221021011977. The next prime is 20221021012021. The reversal of 20221021012002 is 20021012012202.

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

20221021012002 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, 1685085084328 + ... + 1685085084339.

It is an arithmetic number, because the mean of its divisors is an integer number (5055255253002).

Almost surely, 2^{20221021012002} is an apocalyptic number.

20221021012002 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.

20221021012002 is a wasteful number, since it uses less digits than its factorization.

20221021012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370170168672.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20221021012002 its reverse (20021012012202), we get a palindrome (40242033024204).

The spelling of 20221021012002 in words is "twenty trillion, two hundred twenty-one billion, twenty-one million, twelve thousand, two".