1022110212204 has 18 divisors (see below), whose sum is σ = 2583667480940. Its totient is φ = 340703404056.

The previous prime is 1022110212163. The next prime is 1022110212217. The reversal of 1022110212204 is 4022120112201.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14195975134 + ... + 14195975205.

Almost surely, 2^{1022110212204} is an apocalyptic number.

It is an amenable number.

1022110212204 is an abundant number, since it is smaller than the sum of its proper divisors (1561557268736).

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

1022110212204 is a wasteful number, since it uses less digits than its factorization.

1022110212204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28391950349 (or 28391950344 counting only the distinct ones).

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

Adding to 1022110212204 its reverse (4022120112201), we get a palindrome (5044230324405).

The spelling of 1022110212204 in words is "one trillion, twenty-two billion, one hundred ten million, two hundred twelve thousand, two hundred four".