1112221211101 has 64 divisors (see below), whose sum is σ = 1580714956800. Its totient is φ = 753657696000.

The previous prime is 1112221211083. The next prime is 1112221211161. The reversal of 1112221211101 is 1011121222111.

It is not a de Polignac number, because 1112221211101 - 2²⁵ = 1112187656669 is a prime.

It is a super-3 number, since 3×1112221211101³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112221211161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3241051 + ... + 3567751.

It is an arithmetic number, because the mean of its divisors is an integer number (24698671200).

Almost surely, 2^{1112221211101} is an apocalyptic number.

1112221211101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112221211101 is a deficient number, since it is larger than the sum of its proper divisors (468493745699).

1112221211101 is a wasteful number, since it uses less digits than its factorization.

1112221211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326930.

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

Adding to 1112221211101 its reverse (1011121222111), we get a palindrome (2123342433212).

The spelling of 1112221211101 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, two hundred eleven thousand, one hundred one".