1022012111120 has 320 divisors, whose sum is σ = 3193190622720. Its totient is φ = 293787648000.

The previous prime is 1022012111119. The next prime is 1022012111171. The reversal of 1022012111120 is 211112102201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1022012111095 and 1022012111104.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 103218170 + ... + 103228070.

It is an arithmetic number, because the mean of its divisors is an integer number (9978720696).

Almost surely, 2^{1022012111120} is an apocalyptic number.

1022012111120 is a gapful number since it is divisible by the number (10) 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 1022012111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596595311360).

1022012111120 is an abundant number, since it is smaller than the sum of its proper divisors (2171178511600).

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

1022012111120 is a wasteful number, since it uses less digits than its factorization.

1022012111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11234 (or 11228 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1022012111120 its reverse (211112102201), we get a palindrome (1233124213321).

The spelling of 1022012111120 in words is "one trillion, twenty-two billion, twelve million, one hundred eleven thousand, one hundred twenty".