20220102101112 has 128 divisors (see below), whose sum is σ = 53262581391360. Its totient is φ = 6388633520640.

The previous prime is 20220102101099. The next prime is 20220102101119. The reversal of 20220102101112 is 21110120102202.

It is a junction number, because it is equal to n+sod(n) for n = 20220102101091 and 20220102101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220102101119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13933162 + ... + 15315782.

It is an arithmetic number, because the mean of its divisors is an integer number (416113917120).

Almost surely, 2^{20220102101112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220102101112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26631290695680).

20220102101112 is an abundant number, since it is smaller than the sum of its proper divisors (33042479290248).

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

20220102101112 is a wasteful number, since it uses less digits than its factorization.

20220102101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383093 (or 1383089 counting only the distinct ones).

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

Adding to 20220102101112 its reverse (21110120102202), we get a palindrome (41330222203314).

The spelling of 20220102101112 in words is "twenty trillion, two hundred twenty billion, one hundred two million, one hundred one thousand, one hundred twelve".