1121011101011 has 8 divisors (see below), whose sum is σ = 1148373758448. Its totient is φ = 1093649440000.

The previous prime is 1121011100983. The next prime is 1121011101013. The reversal of 1121011101011 is 1101011101211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121011101011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121011100983 and 1121011101001.

It is not an unprimeable number, because it can be changed into a prime (1121011101013) 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, 2357156 + ... + 2792526.

It is an arithmetic number, because the mean of its divisors is an integer number (143546719806).

Almost surely, 2^{1121011101011} is an apocalyptic number.

1121011101011 is a deficient number, since it is larger than the sum of its proper divisors (27362657437).

1121011101011 is an equidigital number, since it uses as much as digits as its factorization.

1121011101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498213.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1121011101011 its reverse (1101011101211), we get a palindrome (2222022202222).

The spelling of 1121011101011 in words is "one trillion, one hundred twenty-one billion, eleven million, one hundred one thousand, eleven".