22121022010011 has 4 divisors (see below), whose sum is σ = 29494696013352. Its totient is φ = 14747348006672.

The previous prime is 22121022009997. The next prime is 22121022010013. The reversal of 22121022010011 is 11001022012122.

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 22121022010011 - 2⁵ = 22121022009979 is a prime.

It is a super-2 number, since 2×22121022010011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22121022010013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686837001666 + ... + 3686837001671.

It is an arithmetic number, because the mean of its divisors is an integer number (7373674003338).

Almost surely, 2^{22121022010011} is an apocalyptic number.

22121022010011 is a deficient number, since it is larger than the sum of its proper divisors (7373674003341).

22121022010011 is an equidigital number, since it uses as much as digits as its factorization.

22121022010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373674003340.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22121022010011 its reverse (11001022012122), we get a palindrome (33122044022133).

The spelling of 22121022010011 in words is "twenty-two trillion, one hundred twenty-one billion, twenty-two million, ten thousand, eleven".