20122222201101 has 48 divisors (see below), whose sum is σ = 30840708907008. Its totient is φ = 12620230272000.

The previous prime is 20122222201069. The next prime is 20122222201121. The reversal of 20122222201101 is 10110222222102.

It is a happy number.

20122222201101 is a `hidden beast` number, since 20 + 122 + 222 + 201 + 101 = 666.

It is not a de Polignac number, because 20122222201101 - 2⁵ = 20122222201069 is a prime.

It is a super-2 number, since 2×20122222201101² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122222201121) 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 47 ways as a sum of consecutive naturals, for example, 11035005 + ... + 12728541.

It is an arithmetic number, because the mean of its divisors is an integer number (642514768896).

Almost surely, 2^{20122222201101} is an apocalyptic number.

It is an amenable number.

20122222201101 is a deficient number, since it is larger than the sum of its proper divisors (10718486705907).

20122222201101 is a wasteful number, since it uses less digits than its factorization.

20122222201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694762 (or 1694759 counting only the distinct ones).

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

Adding to 20122222201101 its reverse (10110222222102), we get a palindrome (30232444423203).

The spelling of 20122222201101 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, one hundred one".