112001021022 has 64 divisors (see below), whose sum is σ = 252429631488. Its totient is φ = 32821308000.

The previous prime is 112001020949. The next prime is 112001021023. The reversal of 112001021022 is 220120100211.

It is a junction number, because it is equal to n+sod(n) for n = 112001020989 and 112001021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001021023) 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, 2941647 + ... + 2979477.

It is an arithmetic number, because the mean of its divisors is an integer number (3944212992).

Almost surely, 2^112001021022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112001021022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126214815744).

112001021022 is an abundant number, since it is smaller than the sum of its proper divisors (140428610466).

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

112001021022 is a wasteful number, since it uses less digits than its factorization.

112001021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39325.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112001021022 its reverse (220120100211), we get a palindrome (332121121233).

The spelling of 112001021022 in words is "one hundred twelve billion, one million, twenty-one thousand, twenty-two".