1110021212111 has 16 divisors (see below), whose sum is σ = 1293087028800. Its totient is φ = 933167623680.

The previous prime is 1110021212087. The next prime is 1110021212161. The reversal of 1110021212111 is 1112121200111.

It is a cyclic number.

It is not a de Polignac number, because 1110021212111 - 2³⁴ = 1092841342927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110021212161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3575306 + ... + 3873351.

It is an arithmetic number, because the mean of its divisors is an integer number (80817939300).

Almost surely, 2^{1110021212111} is an apocalyptic number.

1110021212111 is a deficient number, since it is larger than the sum of its proper divisors (183065816689).

1110021212111 is an equidigital number, since it uses as much as digits as its factorization.

1110021212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7449074.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1110021212111 its reverse (1112121200111), we get a palindrome (2222142412222).

The spelling of 1110021212111 in words is "one trillion, one hundred ten billion, twenty-one million, two hundred twelve thousand, one hundred eleven".