12011122221010 has 32 divisors (see below), whose sum is σ = 23586822604800. Its totient is φ = 4367431503360.

The previous prime is 12011122221001. The next prime is 12011122221083. The reversal of 12011122221010 is 1012222111021.

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, 1174930 + ... + 5040109.

It is an arithmetic number, because the mean of its divisors is an integer number (737088206400).

Almost surely, 2^{12011122221010} is an apocalyptic number.

12011122221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011122221010 is a deficient number, since it is larger than the sum of its proper divisors (11575700383790).

12011122221010 is a wasteful number, since it uses less digits than its factorization.

12011122221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232626.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12011122221010 its reverse (1012222111021), we get a palindrome (13023344332031).

It can be divided in two parts, 1201 and 1122221010, that added together give a palindrome (1122222211).

The spelling of 12011122221010 in words is "twelve trillion, eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, ten".