11210121121011 has 4 divisors (see below), whose sum is σ = 14946828161352. Its totient is φ = 7473414080672.

The previous prime is 11210121120911. The next prime is 11210121121013. The reversal of 11210121121011 is 11012112101211.

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 11210121121011 - 2³¹ = 11207973637363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11210121121013) 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, 1868353520166 + ... + 1868353520171.

It is an arithmetic number, because the mean of its divisors is an integer number (3736707040338).

Almost surely, 2^{11210121121011} is an apocalyptic number.

11210121121011 is a deficient number, since it is larger than the sum of its proper divisors (3736707040341).

11210121121011 is an equidigital number, since it uses as much as digits as its factorization.

11210121121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736707040340.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11210121121011 its reverse (11012112101211), we get a palindrome (22222233222222).

The spelling of 11210121121011 in words is "eleven trillion, two hundred ten billion, one hundred twenty-one million, one hundred twenty-one thousand, eleven".