1022120001112 has 128 divisors (see below), whose sum is σ = 2279714088960. Its totient is φ = 420521310720.

The previous prime is 1022120001083. The next prime is 1022120001113. The reversal of 1022120001112 is 2111000212201.

It is a junction number, because it is equal to n+sod(n) for n = 1022120001092 and 1022120001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022120001113) 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, 303028258 + ... + 303031630.

It is an arithmetic number, because the mean of its divisors is an integer number (17810266320).

Almost surely, 2^{1022120001112} 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 1022120001112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139857044480).

1022120001112 is an abundant number, since it is smaller than the sum of its proper divisors (1257594087848).

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

1022120001112 is a wasteful number, since it uses less digits than its factorization.

1022120001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553 (or 5549 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1022120001112 its reverse (2111000212201), we get a palindrome (3133120213313).

The spelling of 1022120001112 in words is "one trillion, twenty-two billion, one hundred twenty million, one thousand, one hundred twelve".