12201021101022 has 64 divisors (see below), whose sum is σ = 26328794978304. Its totient is φ = 3747069244800.

The previous prime is 12201021101011. The next prime is 12201021101111. The reversal of 12201021101022 is 22010112010221.

It is a junction number, because it is equal to n+sod(n) for n = 12201021100992 and 12201021101010.

It is a congruent number.

It is an unprimeable number.

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, 120623793 + ... + 120724899.

It is an arithmetic number, because the mean of its divisors is an integer number (411387421536).

Almost surely, 2^{12201021101022} is an apocalyptic number.

12201021101022 is an abundant number, since it is smaller than the sum of its proper divisors (14127773877282).

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

12201021101022 is a wasteful number, since it uses less digits than its factorization.

12201021101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104033.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201021101022 its reverse (22010112010221), we get a palindrome (34211133111243).

The spelling of 12201021101022 in words is "twelve trillion, two hundred one billion, twenty-one million, one hundred one thousand, twenty-two".