1212021101110 has 8 divisors (see below), whose sum is σ = 2181637982016. Its totient is φ = 484808440440.

The previous prime is 1212021101107. The next prime is 1212021101143. The reversal of 1212021101110 is 111011202121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 60601055046 + ... + 60601055065.

It is an arithmetic number, because the mean of its divisors is an integer number (272704747752).

Almost surely, 2^{1212021101110} is an apocalyptic number.

1212021101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212021101110 is a deficient number, since it is larger than the sum of its proper divisors (969616880906).

1212021101110 is a wasteful number, since it uses less digits than its factorization.

1212021101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121202110118.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1212021101110 its reverse (111011202121), we get a palindrome (1323032303231).

It can be divided in two parts, 1212021 and 101110, that added together give a palindrome (1313131).

The spelling of 1212021101110 in words is "one trillion, two hundred twelve billion, twenty-one million, one hundred one thousand, one hundred ten".