1122101011011 has 4 divisors (see below), whose sum is σ = 1496134681352. Its totient is φ = 748067340672.

The previous prime is 1122101010941. The next prime is 1122101011037. The reversal of 1122101011011 is 1101101012211.

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

It is not a de Polignac number, because 1122101011011 - 2³⁵ = 1087741272643 is a prime.

It is a super-2 number, since 2×1122101011011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122101011111) 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, 187016835166 + ... + 187016835171.

It is an arithmetic number, because the mean of its divisors is an integer number (374033670338).

Almost surely, 2^{1122101011011} is an apocalyptic number.

1122101011011 is a deficient number, since it is larger than the sum of its proper divisors (374033670341).

1122101011011 is an equidigital number, since it uses as much as digits as its factorization.

1122101011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374033670340.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1122101011011 its reverse (1101101012211), we get a palindrome (2223202023222).

The spelling of 1122101011011 in words is "one trillion, one hundred twenty-two billion, one hundred one million, eleven thousand, eleven".