1110221212001 has 16 divisors (see below), whose sum is σ = 1254376506240. Its totient is φ = 973351505280.

The previous prime is 1110221211959. The next prime is 1110221212013. The reversal of 1110221212001 is 1002121220111.

It is not a de Polignac number, because 1110221212001 - 2¹⁰ = 1110221210977 is a prime.

It is a super-2 number, since 2×1110221212001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1110221212301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757141 + ... + 2303906.

It is an arithmetic number, because the mean of its divisors is an integer number (78398531640).

Almost surely, 2^{1110221212001} is an apocalyptic number.

1110221212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1110221212001 is a deficient number, since it is larger than the sum of its proper divisors (144155294239).

1110221212001 is a wasteful number, since it uses less digits than its factorization.

1110221212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061944.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1110221212001 its reverse (1002121220111), we get a palindrome (2112342432112).

The spelling of 1110221212001 in words is "one trillion, one hundred ten billion, two hundred twenty-one million, two hundred twelve thousand, one".