2211121121011 has 8 divisors (see below), whose sum is σ = 2421099169200. Its totient is φ = 2002637579040.

The previous prime is 2211121120993. The next prime is 2211121121023. The reversal of 2211121121011 is 1101211211122.

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 2211121121011 - 2¹¹ = 2211121118963 is a prime.

It is a super-2 number, since 2×2211121121011² (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 (2211121121311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373623456 + ... + 373629373.

It is an arithmetic number, because the mean of its divisors is an integer number (302637396150).

Almost surely, 2^{2211121121011} is an apocalyptic number.

2211121121011 is a deficient number, since it is larger than the sum of its proper divisors (209978048189).

2211121121011 is a wasteful number, since it uses less digits than its factorization.

2211121121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747253109.

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

Adding to 2211121121011 its reverse (1101211211122), we get a palindrome (3312332332133).

The spelling of 2211121121011 in words is "two trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twenty-one thousand, eleven".