21333111231010 has 16 divisors (see below), whose sum is σ = 38399697611136. Its totient is φ = 8533222849008.

The previous prime is 21333111230999. The next prime is 21333111231079. The reversal of 21333111231010 is 1013211133312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790077 + ... + 6772783.

It is an arithmetic number, because the mean of its divisors is an integer number (2399981100696).

Almost surely, 2^{21333111231010} is an apocalyptic number.

21333111231010 is a deficient number, since it is larger than the sum of its proper divisors (17066586380126).

21333111231010 is a wasteful number, since it uses less digits than its factorization.

21333111231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410857.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 21333111231010 its reverse (1013211133312), we get a palindrome (22346322364322).

The spelling of 21333111231010 in words is "twenty-one trillion, three hundred thirty-three billion, one hundred eleven million, two hundred thirty-one thousand, ten".