12111021201022 has 16 divisors (see below), whose sum is σ = 18549807325632. Its totient is φ = 5928963073920.

The previous prime is 12111021201001. The next prime is 12111021201053. The reversal of 12111021201022 is 22010212011121.

It is a junction number, because it is equal to n+sod(n) for n = 12111021200987 and 12111021201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302725254 + ... + 302765257.

It is an arithmetic number, because the mean of its divisors is an integer number (1159362957852).

Almost surely, 2^{12111021201022} is an apocalyptic number.

12111021201022 is a deficient number, since it is larger than the sum of its proper divisors (6438786124610).

12111021201022 is a wasteful number, since it uses less digits than its factorization.

12111021201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605490723.

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

Adding to 12111021201022 its reverse (22010212011121), we get a palindrome (34121233212143).

The spelling of 12111021201022 in words is "twelve trillion, one hundred eleven billion, twenty-one million, two hundred one thousand, twenty-two".