10002221222011 has 4 divisors (see below), whose sum is σ = 10246177837224. Its totient is φ = 9758264606800.

The previous prime is 10002221221981. The next prime is 10002221222129. The reversal of 10002221222011 is 11022212220001.

It is a happy number.

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 10002221222011 - 2²⁵ = 10002187667579 is a prime.

It is a super-5 number, since 5×10002221222011⁵ (a number of 66 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10002221232011) 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, 121978307545 + ... + 121978307626.

It is an arithmetic number, because the mean of its divisors is an integer number (2561544459306).

Almost surely, 2^{10002221222011} is an apocalyptic number.

10002221222011 is a deficient number, since it is larger than the sum of its proper divisors (243956615213).

10002221222011 is an equidigital number, since it uses as much as digits as its factorization.

10002221222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243956615212.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10002221222011 its reverse (11022212220001), we get a palindrome (21024433442012).

The spelling of 10002221222011 in words is "ten trillion, two billion, two hundred twenty-one million, two hundred twenty-two thousand, eleven".