312221122003011 has 16 divisors (see below), whose sum is σ = 448318839896480. Its totient is φ = 192135504487680.

The previous prime is 312221122002949. The next prime is 312221122003033. The reversal of 312221122003011 is 110300221122213.

It is not a de Polignac number, because 312221122003011 - 2¹⁵ = 312221121970243 is a prime.

It is a super-2 number, since 2×312221122003011² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312221122005011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607505 + ... + 25040493.

It is an arithmetic number, because the mean of its divisors is an integer number (28019927493530).

Almost surely, 2^{312221122003011} is an apocalyptic number.

312221122003011 is a deficient number, since it is larger than the sum of its proper divisors (136097717893469).

312221122003011 is a wasteful number, since it uses less digits than its factorization.

312221122003011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23774646.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 312221122003011 its reverse (110300221122213), we get a palindrome (422521343125224).

The spelling of 312221122003011 in words is "three hundred twelve trillion, two hundred twenty-one billion, one hundred twenty-two million, three thousand, eleven".