1212121000110 has 32 divisors (see below), whose sum is σ = 2987714467872. Its totient is φ = 314496259200.

The previous prime is 1212121000039. The next prime is 1212121000141. The reversal of 1212121000110 is 110001212121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545999341 + ... + 546001560.

It is an arithmetic number, because the mean of its divisors is an integer number (93366077121).

Almost surely, 2^{1212121000110} is an apocalyptic number.

1212121000110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212121000110 is an abundant number, since it is smaller than the sum of its proper divisors (1775593467762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212121000110 is a wasteful number, since it uses less digits than its factorization.

1212121000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092000948.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1212121000110 its reverse (110001212121), we get a palindrome (1322122212231).

The spelling of 1212121000110 in words is "one trillion, two hundred twelve billion, one hundred twenty-one million, one hundred ten", and thus it is an aban number.