1201221001110 has 32 divisors (see below), whose sum is σ = 3104694280800. Its totient is φ = 295685169408.

The previous prime is 1201221001087. The next prime is 1201221001121. The reversal of 1201221001110 is 111001221021.

It is a congruent number.

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, 1540026535 + ... + 1540027314.

It is an arithmetic number, because the mean of its divisors is an integer number (97021696275).

Almost surely, 2^{1201221001110} is an apocalyptic number.

1201221001110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201221001110 is an abundant number, since it is smaller than the sum of its proper divisors (1903473279690).

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

1201221001110 is a wasteful number, since it uses less digits than its factorization.

1201221001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080053872.

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

Adding to 1201221001110 its reverse (111001221021), we get a palindrome (1312222222131).

The spelling of 1201221001110 in words is "one trillion, two hundred one billion, two hundred twenty-one million, one thousand, one hundred ten".