12021200210111 has 4 divisors (see below), whose sum is σ = 12107683665000. Its totient is φ = 11934716755224.

The previous prime is 12021200210051. The next prime is 12021200210161. The reversal of 12021200210111 is 11101200212021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12021200210111 - 2³⁴ = 12004020340927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021200210161) 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, 43241727236 + ... + 43241727513.

It is an arithmetic number, because the mean of its divisors is an integer number (3026920916250).

Almost surely, 2^{12021200210111} is an apocalyptic number.

12021200210111 is a deficient number, since it is larger than the sum of its proper divisors (86483454889).

12021200210111 is an equidigital number, since it uses as much as digits as its factorization.

12021200210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86483454888.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12021200210111 its reverse (11101200212021), we get a palindrome (23122400422132).

The spelling of 12021200210111 in words is "twelve trillion, twenty-one billion, two hundred million, two hundred ten thousand, one hundred eleven".