11202122121011 has 4 divisors (see below), whose sum is σ = 11202297940152. Its totient is φ = 11201946301872.

The previous prime is 11202122120989. The next prime is 11202122121023. The reversal of 11202122121011 is 11012122120211.

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 11202122121011 - 2¹⁴ = 11202122104627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202122121511) 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, 87813965 + ... + 87941438.

It is an arithmetic number, because the mean of its divisors is an integer number (2800574485038).

Almost surely, 2^{11202122121011} is an apocalyptic number.

11202122121011 is a deficient number, since it is larger than the sum of its proper divisors (175819141).

11202122121011 is an equidigital number, since it uses as much as digits as its factorization.

11202122121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175819140.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11202122121011 its reverse (11012122120211), we get a palindrome (22214244241222).

The spelling of 11202122121011 in words is "eleven trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, eleven".