110111201221012 has 6 divisors (see below), whose sum is σ = 192694602136778. Its totient is φ = 55055600610504.

The previous prime is 110111201220883. The next prime is 110111201221057. The reversal of 110111201221012 is 210122102111011.

It can be written as a sum of positive squares in only one way, i.e., 109633338712836 + 477862508176 = 10470594^2 + 691276^2 .

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, 13763900152623 + ... + 13763900152630.

Almost surely, 2^{110111201221012} is an apocalyptic number.

It is an amenable number.

110111201221012 is a deficient number, since it is larger than the sum of its proper divisors (82583400915766).

110111201221012 is a wasteful number, since it uses less digits than its factorization.

110111201221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27527800305257 (or 27527800305255 counting only the distinct ones).

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

Adding to 110111201221012 its reverse (210122102111011), we get a palindrome (320233303332023).

The spelling of 110111201221012 in words is "one hundred ten trillion, one hundred eleven billion, two hundred one million, two hundred twenty-one thousand, twelve".