1000110012221 has 8 divisors (see below), whose sum is σ = 1002119921088. Its totient is φ = 998101008000.

The previous prime is 1000110012191. The next prime is 1000110012227. The reversal of 1000110012221 is 1222100110001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000110012221 - 2²² = 1000105817917 is a prime.

It is a super-3 number, since 3×1000110012221³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000110012227) 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, 2009261 + ... + 2457101.

It is an arithmetic number, because the mean of its divisors is an integer number (125264990136).

Almost surely, 2^{1000110012221} is an apocalyptic number.

It is an amenable number.

1000110012221 is a deficient number, since it is larger than the sum of its proper divisors (2009908867).

1000110012221 is an equidigital number, since it uses as much as digits as its factorization.

1000110012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452323.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000110012221 its reverse (1222100110001), we get a palindrome (2222210122222).

The spelling of 1000110012221 in words is "one trillion, one hundred ten million, twelve thousand, two hundred twenty-one".