1110012221221 has 8 divisors (see below), whose sum is σ = 1110395689088. Its totient is φ = 1109628828000.

The previous prime is 1110012221209. The next prime is 1110012221273. The reversal of 1110012221221 is 1221222100111.

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 1110012221221 - 2¹³ = 1110012213029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110012221195 and 1110012221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110012221821) 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, 49452361 + ... + 49474801.

It is an arithmetic number, because the mean of its divisors is an integer number (138799461136).

Almost surely, 2^{1110012221221} is an apocalyptic number.

It is an amenable number.

1110012221221 is a deficient number, since it is larger than the sum of its proper divisors (383467867).

1110012221221 is an equidigital number, since it uses as much as digits as its factorization.

1110012221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37323.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1110012221221 its reverse (1221222100111), we get a palindrome (2331234321332).

The spelling of 1110012221221 in words is "one trillion, one hundred ten billion, twelve million, two hundred twenty-one thousand, two hundred twenty-one".