1110012211221 has 8 divisors (see below), whose sum is σ = 1520016721824. Its totient is φ = 720007920720.

The previous prime is 1110012211219. The next prime is 1110012211241. The reversal of 1110012211221 is 1221122100111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1110012211221 - 2¹ = 1110012211219 is a prime.

It is a super-3 number, since 3×1110012211221³ (a number of 37 digits) contains 333 as substring.

1110012211221 is a modest number, since divided by 12211221 gives 11100 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1110012211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110012211211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5000054895 + ... + 5000055116.

It is an arithmetic number, because the mean of its divisors is an integer number (190002090228).

Almost surely, 2^{1110012211221} is an apocalyptic number.

It is an amenable number.

1110012211221 is a deficient number, since it is larger than the sum of its proper divisors (410004510603).

1110012211221 is a wasteful number, since it uses less digits than its factorization.

1110012211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000110051.

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

Adding to 1110012211221 its reverse (1221122100111), we get a palindrome (2331134311332).

The spelling of 1110012211221 in words is "one trillion, one hundred ten billion, twelve million, two hundred eleven thousand, two hundred twenty-one".