1121112222101 has 4 divisors (see below), whose sum is σ = 1121122651104. Its totient is φ = 1121101793100.

The previous prime is 1121112222047. The next prime is 1121112222161. The reversal of 1121112222101 is 1012222111211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121112222101 - 2²² = 1121108027797 is a prime.

It is a super-2 number, since 2×1121112222101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121112222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121112222161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051555 + ... + 5268816.

It is an arithmetic number, because the mean of its divisors is an integer number (280280662776).

Almost surely, 2^{1121112222101} is an apocalyptic number.

It is an amenable number.

1121112222101 is a deficient number, since it is larger than the sum of its proper divisors (10429003).

1121112222101 is a wasteful number, since it uses less digits than its factorization.

1121112222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10429002.

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

Adding to 1121112222101 its reverse (1012222111211), we get a palindrome (2133334333312).

The spelling of 1121112222101 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred one".