12212112021110 has 8 divisors (see below), whose sum is σ = 21981801638016. Its totient is φ = 4884844808440.

The previous prime is 12212112021089. The next prime is 12212112021113. The reversal of 12212112021110 is 1112021121221.

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

It is a super-2 number, since 2×12212112021110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212112021113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610605601046 + ... + 610605601065.

It is an arithmetic number, because the mean of its divisors is an integer number (2747725204752).

Almost surely, 2^{12212112021110} is an apocalyptic number.

12212112021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212112021110 is a deficient number, since it is larger than the sum of its proper divisors (9769689616906).

12212112021110 is a wasteful number, since it uses less digits than its factorization.

12212112021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221211202118.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12212112021110 its reverse (1112021121221), we get a palindrome (13324133142331).

The spelling of 12212112021110 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, twenty-one thousand, one hundred ten".