1121122211101 has 8 divisors (see below), whose sum is σ = 1139536315008. Its totient is φ = 1102709238000.

The previous prime is 1121122211089. The next prime is 1121122211107. The reversal of 1121122211101 is 1011122211211.

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 1121122211101 - 2⁷ = 1121122210973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121122211107) 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, 1847136 + ... + 2377846.

It is an arithmetic number, because the mean of its divisors is an integer number (142442039376).

Almost surely, 2^{1121122211101} is an apocalyptic number.

It is an amenable number.

1121122211101 is a deficient number, since it is larger than the sum of its proper divisors (18414103907).

1121122211101 is an equidigital number, since it uses as much as digits as its factorization.

1121122211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565403.

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

Adding to 1121122211101 its reverse (1011122211211), we get a palindrome (2132244422312).

The spelling of 1121122211101 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, one hundred one".