1011022212204 has 36 divisors (see below), whose sum is σ = 2556059611560. Its totient is φ = 336952002240.

The previous prime is 1011022212149. The next prime is 1011022212251. The reversal of 1011022212204 is 4022122201101.

It is a tau number, because it is divible by the number of its divisors (36).

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 (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2086089 + ... + 2524640.

Almost surely, 2^{1011022212204} is an apocalyptic number.

It is an amenable number.

1011022212204 is an abundant number, since it is smaller than the sum of its proper divisors (1545037399356).

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

1011022212204 is a wasteful number, since it uses less digits than its factorization.

1011022212204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616830 (or 4616825 counting only the distinct ones).

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

Adding to 1011022212204 its reverse (4022122201101), we get a palindrome (5033144413305).

The spelling of 1011022212204 in words is "one trillion, eleven billion, twenty-two million, two hundred twelve thousand, two hundred four".