21603335002010 has 64 divisors (see below), whose sum is σ = 41047344387072. Its totient is φ = 8170150281216.

The previous prime is 21603335001961. The next prime is 21603335002031. The reversal of 21603335002010 is 1020053330612.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8405882 + ... + 10670778.

It is an arithmetic number, because the mean of its divisors is an integer number (641364756048).

Almost surely, 2^{21603335002010} is an apocalyptic number.

21603335002010 is a deficient number, since it is larger than the sum of its proper divisors (19444009385062).

21603335002010 is a wasteful number, since it uses less digits than its factorization.

21603335002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265407.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 21603335002010 its reverse (1020053330612), we get a palindrome (22623388332622).

The spelling of 21603335002010 in words is "twenty-one trillion, six hundred three billion, three hundred thirty-five million, two thousand, ten".