22121100110101 has 8 divisors (see below), whose sum is σ = 22835858855040. Its totient is φ = 21415446572352.

The previous prime is 22121100110059. The next prime is 22121100110141. The reversal of 22121100110101 is 10101100112122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22121100110101 - 2⁷ = 22121100109973 is a prime.

It is a super-2 number, since 2×22121100110101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121100110141) 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 7 ways as a sum of consecutive naturals, for example, 2276296861 + ... + 2276306578.

It is an arithmetic number, because the mean of its divisors is an integer number (2854482356880).

Almost surely, 2^{22121100110101} is an apocalyptic number.

It is an amenable number.

22121100110101 is a deficient number, since it is larger than the sum of its proper divisors (714758744939).

22121100110101 is a wasteful number, since it uses less digits than its factorization.

22121100110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552603595.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22121100110101 its reverse (10101100112122), we get a palindrome (32222200222223).

The spelling of 22121100110101 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred million, one hundred ten thousand, one hundred one".