20221121010112 has 448 divisors, whose sum is σ = 47128351564800. Its totient is φ = 8512266240000.

The previous prime is 20221121010059. The next prime is 20221121010127. The reversal of 20221121010112 is 21101012112202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 56326242189 + ... + 56326242547.

Almost surely, 2^{20221121010112} is an apocalyptic number.

20221121010112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20221121010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23564175782400).

20221121010112 is an abundant number, since it is smaller than the sum of its proper divisors (26907230554688).

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

20221121010112 is a wasteful number, since it uses less digits than its factorization.

20221121010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20221121010112 its reverse (21101012112202), we get a palindrome (41322133122314).

The spelling of 20221121010112 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty-one million, ten thousand, one hundred twelve".