12021000110 has 16 divisors (see below), whose sum is σ = 24728914656. Its totient is φ = 4121485728.

The previous prime is 12021000091. The next prime is 12021000127. The reversal of 12021000110 is 1100012021.

It is a congruent number.

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, 85864217 + ... + 85864356.

It is an arithmetic number, because the mean of its divisors is an integer number (1545557166).

Almost surely, 2^12021000110 is an apocalyptic number.

12021000110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021000110 is an abundant number, since it is smaller than the sum of its proper divisors (12707914546).

12021000110 is a wasteful number, since it uses less digits than its factorization.

12021000110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171728587.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12021000110 its reverse (1100012021), we get a palindrome (13121012131).

The spelling of 12021000110 in words is "twelve billion, twenty-one million, one hundred ten", and thus it is an aban number.