10222212121211 has 4 divisors (see below), whose sum is σ = 10229467063800. Its totient is φ = 10214957178624.

The previous prime is 10222212121159. The next prime is 10222212121213. The reversal of 10222212121211 is 11212121222201.

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 10222212121211 - 2¹⁰ = 10222212120187 is a prime.

It is a super-2 number, since 2×10222212121211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10222212121213) 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 3 ways as a sum of consecutive naturals, for example, 3627469181 + ... + 3627471998.

It is an arithmetic number, because the mean of its divisors is an integer number (2557366765950).

Almost surely, 2^{10222212121211} is an apocalyptic number.

10222212121211 is a deficient number, since it is larger than the sum of its proper divisors (7254942589).

10222212121211 is an equidigital number, since it uses as much as digits as its factorization.

10222212121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7254942588.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 10222212121211 its reverse (11212121222201), we get a palindrome (21434333343412).

The spelling of 10222212121211 in words is "ten trillion, two hundred twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, two hundred eleven".