20010222102101 has 48 divisors (see below), whose sum is σ = 25614539798400. Its totient is φ = 15296122807680.

The previous prime is 20010222102043. The next prime is 20010222102121. The reversal of 20010222102101 is 10120122201002.

It is a de Polignac number, because none of the positive numbers 2^k-20010222102101 is a prime.

It is a super-2 number, since 2×20010222102101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010222102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389134370 + ... + 389185788.

It is an arithmetic number, because the mean of its divisors is an integer number (533636245800).

Almost surely, 2^{20010222102101} is an apocalyptic number.

It is an amenable number.

20010222102101 is a deficient number, since it is larger than the sum of its proper divisors (5604317696299).

20010222102101 is a wasteful number, since it uses less digits than its factorization.

20010222102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60170 (or 60159 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20010222102101 its reverse (10120122201002), we get a palindrome (30130344303103).

The spelling of 20010222102101 in words is "twenty trillion, ten billion, two hundred twenty-two million, one hundred two thousand, one hundred one".