1011201022222 has 16 divisors (see below), whose sum is σ = 1536544563120. Its totient is φ = 499061552832.

The previous prime is 1011201022193. The next prime is 1011201022253. The reversal of 1011201022222 is 2222201021101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1011201022196 and 1011201022205.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10464663 + ... + 10560850.

It is an arithmetic number, because the mean of its divisors is an integer number (96034035195).

Almost surely, 2^{1011201022222} is an apocalyptic number.

1011201022222 is a deficient number, since it is larger than the sum of its proper divisors (525343540898).

1011201022222 is a wasteful number, since it uses less digits than its factorization.

1011201022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21025827.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1011201022222 its reverse (2222201021101), we get a palindrome (3233402043323).

The spelling of 1011201022222 in words is "one trillion, eleven billion, two hundred one million, twenty-two thousand, two hundred twenty-two".