20101010112222 has 96 divisors (see below), whose sum is σ = 44369617121280. Its totient is φ = 6066856897920.

The previous prime is 20101010112187. The next prime is 20101010112263. The reversal of 20101010112222 is 22221101010102.

It is a super-2 number, since 2×20101010112222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13474179 + ... + 14891457.

It is an arithmetic number, because the mean of its divisors is an integer number (462183511680).

Almost surely, 2^{20101010112222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20101010112222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22184808560640).

20101010112222 is an abundant number, since it is smaller than the sum of its proper divisors (24268607009058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20101010112222 is a wasteful number, since it uses less digits than its factorization.

20101010112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417578 (or 1417565 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20101010112222 its reverse (22221101010102), we get a palindrome (42322111122324).

The spelling of 20101010112222 in words is "twenty trillion, one hundred one billion, ten million, one hundred twelve thousand, two hundred twenty-two".