1021222111134 has 16 divisors (see below), whose sum is σ = 2062273779072. Its totient is φ = 337102444248.

The previous prime is 1021222111109. The next prime is 1021222111177. The reversal of 1021222111134 is 4311112221201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021222111134.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 826230864 + ... + 826232099.

It is an arithmetic number, because the mean of its divisors is an integer number (128892111192).

Almost surely, 2^{1021222111134} is an apocalyptic number.

1021222111134 is an abundant number, since it is smaller than the sum of its proper divisors (1041051667938).

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

1021222111134 is a wasteful number, since it uses less digits than its factorization.

1021222111134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652463071.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1021222111134 its reverse (4311112221201), we get a palindrome (5332334332335).

The spelling of 1021222111134 in words is "one trillion, twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, one hundred thirty-four".