1110221201121 has 32 divisors (see below), whose sum is σ = 1535086764288. Its totient is φ = 713226178560.

The previous prime is 1110221201113. The next prime is 1110221201179. The reversal of 1110221201121 is 1211021220111.

It is a happy number.

It is not a de Polignac number, because 1110221201121 - 2³ = 1110221201113 is a prime.

It is a super-2 number, since 2×1110221201121² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1110221201121.

It is not an unprimeable number, because it can be changed into a prime (1110221201021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5908795 + ... + 6093791.

It is an arithmetic number, because the mean of its divisors is an integer number (47971461384).

Almost surely, 2^{1110221201121} is an apocalyptic number.

It is an amenable number.

1110221201121 is a deficient number, since it is larger than the sum of its proper divisors (424865563167).

1110221201121 is a wasteful number, since it uses less digits than its factorization.

1110221201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185641.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1110221201121 its reverse (1211021220111), we get a palindrome (2321242421232).

The spelling of 1110221201121 in words is "one trillion, one hundred ten billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty-one".