1121111220101 has 8 divisors (see below), whose sum is σ = 1123724016000. Its totient is φ = 1118498940160.

The previous prime is 1121111220071. The next prime is 1121111220137. The reversal of 1121111220101 is 1010221111211.

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 1121111220101 - 2⁶ = 1121111220037 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 (1121111270101) 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, 4407140 + ... + 4654578.

It is an arithmetic number, because the mean of its divisors is an integer number (140465502000).

Almost surely, 2^{1121111220101} is an apocalyptic number.

It is an amenable number.

1121111220101 is a deficient number, since it is larger than the sum of its proper divisors (2612795899).

1121111220101 is a wasteful number, since it uses less digits than its factorization.

1121111220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257979.

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

Adding to 1121111220101 its reverse (1010221111211), we get a palindrome (2131332331312).

The spelling of 1121111220101 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, two hundred twenty thousand, one hundred one".