1022120221104 has 60 divisors (see below), whose sum is σ = 2874074045752. Its totient is φ = 339092006400.

The previous prime is 1022120221093. The next prime is 1022120221121. The reversal of 1022120221104 is 4011220212201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16789657 + ... + 16850424.

Almost surely, 2^{1022120221104} is an apocalyptic number.

It is an amenable number.

1022120221104 is an abundant number, since it is smaller than the sum of its proper divisors (1851953824648).

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

1022120221104 is a wasteful number, since it uses less digits than its factorization.

1022120221104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33640306 (or 33640297 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1022120221104 its reverse (4011220212201), we get a palindrome (5033340433305).

The spelling of 1022120221104 in words is "one trillion, twenty-two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred four".