12021111201022 has 64 divisors (see below), whose sum is σ = 22966297804800. Its totient is φ = 4582514498400.

The previous prime is 12021111200993. The next prime is 12021111201023. The reversal of 12021111201022 is 22010211112021.

It is a super-2 number, since 2×12021111201022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021111200987 and 12021111201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021111201023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23860479 + ... + 24359077.

It is an arithmetic number, because the mean of its divisors is an integer number (358848403200).

Almost surely, 2^{12021111201022} is an apocalyptic number.

12021111201022 is a deficient number, since it is larger than the sum of its proper divisors (10945186603778).

12021111201022 is a wasteful number, since it uses less digits than its factorization.

12021111201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501997.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12021111201022 its reverse (22010211112021), we get a palindrome (34031322313043).

The spelling of 12021111201022 in words is "twelve trillion, twenty-one billion, one hundred eleven million, two hundred one thousand, twenty-two".