1122022100112 has 80 divisors (see below), whose sum is σ = 2958897100608. Its totient is φ = 366248563200.

The previous prime is 1122022100107. The next prime is 1122022100113. The reversal of 1122022100112 is 2110012202211.

It is a junction number, because it is equal to n+sod(n) for n = 1122022100091 and 1122022100100.

It is not an unprimeable number, because it can be changed into a prime (1122022100113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908862 + ... + 1752162.

Almost surely, 2^{1122022100112} is an apocalyptic number.

1122022100112 is a gapful number since it is divisible by the number (12) 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 1122022100112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479448550304).

1122022100112 is an abundant number, since it is smaller than the sum of its proper divisors (1836875000496).

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

1122022100112 is a wasteful number, since it uses less digits than its factorization.

1122022100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843888 (or 843882 counting only the distinct ones).

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

Adding to 1122022100112 its reverse (2110012202211), we get a palindrome (3232034302323).

The spelling of 1122022100112 in words is "one trillion, one hundred twenty-two billion, twenty-two million, one hundred thousand, one hundred twelve".