110221101011121 has 16 divisors (see below), whose sum is σ = 148389021745536. Its totient is φ = 72766964290176.

The previous prime is 110221101011111. The next prime is 110221101011183. The reversal of 110221101011121 is 121110101122011.

It is not a de Polignac number, because 110221101011121 - 2¹⁵ = 110221100978353 is a prime.

It is a super-2 number, since 2×110221101011121² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 110221101011121.

It is not an unprimeable number, because it can be changed into a prime (110221101011111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69967491 + ... + 71525463.

It is an arithmetic number, because the mean of its divisors is an integer number (9274313859096).

Almost surely, 2^{110221101011121} is an apocalyptic number.

It is an amenable number.

110221101011121 is a deficient number, since it is larger than the sum of its proper divisors (38167920734415).

110221101011121 is a wasteful number, since it uses less digits than its factorization.

110221101011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787032.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 110221101011121 its reverse (121110101122011), we get a palindrome (231331202133132).

The spelling of 110221101011121 in words is "one hundred ten trillion, two hundred twenty-one billion, one hundred one million, eleven thousand, one hundred twenty-one".