1121222211101 has 8 divisors (see below), whose sum is σ = 1170126578880. Its totient is φ = 1072330808032.

The previous prime is 1121222211073. The next prime is 1121222211103. The reversal of 1121222211101 is 1011122221211.

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 1121222211101 - 2¹⁴ = 1121222194717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121222211101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121222211103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3064235 + ... + 3410568.

It is an arithmetic number, because the mean of its divisors is an integer number (146265822360).

Almost surely, 2^{1121222211101} is an apocalyptic number.

It is an amenable number.

1121222211101 is a deficient number, since it is larger than the sum of its proper divisors (48904367779).

1121222211101 is an equidigital number, since it uses as much as digits as its factorization.

1121222211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482355.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1121222211101 its reverse (1011122221211), we get a palindrome (2132344432312).

It can be divided in two parts, 1121 and 222211101, that added together give a palindrome (222212222).

The spelling of 1121222211101 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred one".