22101220101 has 16 divisors (see below), whose sum is σ = 30283250624. Its totient is φ = 14327155584.

The previous prime is 22101220091. The next prime is 22101220103. The reversal of 22101220101 is 10102210122.

It is not a de Polignac number, because 22101220101 - 2⁵ = 22101220069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101220103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123846 + ... + 244008.

It is an arithmetic number, because the mean of its divisors is an integer number (1892703164).

Almost surely, 2^22101220101 is an apocalyptic number.

It is an amenable number.

22101220101 is a deficient number, since it is larger than the sum of its proper divisors (8182030523).

22101220101 is a wasteful number, since it uses less digits than its factorization.

22101220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121860.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22101220101 its reverse (10102210122), we get a palindrome (32203430223).

The spelling of 22101220101 in words is "twenty-two billion, one hundred one million, two hundred twenty thousand, one hundred one".