21213003333010 has 32 divisors (see below), whose sum is σ = 38559179992320. Its totient is φ = 8401717631808.

The previous prime is 21213003332897. The next prime is 21213003333029. The reversal of 21213003333010 is 1033330031212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6520144 + ... + 9216196.

It is an arithmetic number, because the mean of its divisors is an integer number (1204974374760).

Almost surely, 2^{21213003333010} is an apocalyptic number.

21213003333010 is a deficient number, since it is larger than the sum of its proper divisors (17346176659310).

21213003333010 is a wasteful number, since it uses less digits than its factorization.

21213003333010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703802.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21213003333010 its reverse (1033330031212), we get a palindrome (22246333364222).

The spelling of 21213003333010 in words is "twenty-one trillion, two hundred thirteen billion, three million, three hundred thirty-three thousand, ten".