21401030002 has 8 divisors (see below), whose sum is σ = 35019867312. Its totient is φ = 9727740900.

The previous prime is 21401029999. The next prime is 21401030011. The reversal of 21401030002 is 20003010412.

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

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, 486387024 + ... + 486387067.

It is an arithmetic number, because the mean of its divisors is an integer number (4377483414).

Almost surely, 2^21401030002 is an apocalyptic number.

21401030002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21401030002 is a deficient number, since it is larger than the sum of its proper divisors (13618837310).

21401030002 is a wasteful number, since it uses less digits than its factorization.

21401030002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972774104.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 21401030002 its reverse (20003010412), we get a palindrome (41404040414).

The spelling of 21401030002 in words is "twenty-one billion, four hundred one million, thirty thousand, two".