220112021021012 has 6 divisors (see below), whose sum is σ = 385196036786778. Its totient is φ = 110056010510504.

The previous prime is 220112021020921. The next prime is 220112021021047. The reversal of 220112021021012 is 210120120211022.

It can be written as a sum of positive squares in only one way, i.e., 218888355855376 + 1223665165636 = 14794876^2 + 1106194^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27514002627623 + ... + 27514002627630.

It is an arithmetic number, because the mean of its divisors is an integer number (64199339464463).

Almost surely, 2^{220112021021012} is an apocalyptic number.

It is an amenable number.

220112021021012 is a deficient number, since it is larger than the sum of its proper divisors (165084015765766).

220112021021012 is a wasteful number, since it uses less digits than its factorization.

220112021021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55028005255257 (or 55028005255255 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220112021021012 its reverse (210120120211022), we get a palindrome (430232141232034).

The spelling of 220112021021012 in words is "two hundred twenty trillion, one hundred twelve billion, twenty-one million, twenty-one thousand, twelve".