101222222211 has 24 divisors (see below), whose sum is σ = 164830804880. Its totient is φ = 61346799360.

The previous prime is 101222222203. The next prime is 101222222221. The reversal of 101222222211 is 112222222101.

It is a happy number.

101222222211 is a `hidden beast` number, since 10 + 1 + 222 + 222 + 211 = 666.

It is not a de Polignac number, because 101222222211 - 2³ = 101222222203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101222222221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15488350 + ... + 15494883.

Almost surely, 2^101222222211 is an apocalyptic number.

101222222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101222222211 is a deficient number, since it is larger than the sum of its proper divisors (63608582669).

101222222211 is a wasteful number, since it uses less digits than its factorization.

101222222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30983264 (or 30983247 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101222222211 its reverse (112222222101), we get a palindrome (213444444312).

It can be divided in two parts, 10 and 1222222211, that added together give a palindrome (1222222221).

The spelling of 101222222211 in words is "one hundred one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred eleven".