106221211211 has 4 divisors (see below), whose sum is σ = 106234331424. Its totient is φ = 106208091000.

The previous prime is 106221211199. The next prime is 106221211249. The reversal of 106221211211 is 112112122601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106221211211 is a prime.

It is a super-2 number, since 2×106221211211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106221111211) 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, 6547955 + ... + 6564156.

It is an arithmetic number, because the mean of its divisors is an integer number (26558582856).

Almost surely, 2^106221211211 is an apocalyptic number.

106221211211 is a deficient number, since it is larger than the sum of its proper divisors (13120213).

106221211211 is an equidigital number, since it uses as much as digits as its factorization.

106221211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120212.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 106221211211 its reverse (112112122601), we get a palindrome (218333333812).

The spelling of 106221211211 in words is "one hundred six billion, two hundred twenty-one million, two hundred eleven thousand, two hundred eleven".