1121012210011 has 4 divisors (see below), whose sum is σ = 1121029200000. Its totient is φ = 1120995220024.

The previous prime is 1121012209987. The next prime is 1121012210029. The reversal of 1121012210011 is 1100122101211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121012210011 - 2¹¹ = 1121012207963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121012209973 and 1121012210000.

It is not an unprimeable number, because it can be changed into a prime (1121012210081) 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, 8395636 + ... + 8528113.

It is an arithmetic number, because the mean of its divisors is an integer number (280257300000).

Almost surely, 2^{1121012210011} is an apocalyptic number.

1121012210011 is a deficient number, since it is larger than the sum of its proper divisors (16989989).

1121012210011 is an equidigital number, since it uses as much as digits as its factorization.

1121012210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16989988.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121012210011 its reverse (1100122101211), we get a palindrome (2221134311222).

The spelling of 1121012210011 in words is "one trillion, one hundred twenty-one billion, twelve million, two hundred ten thousand, eleven".