1022122211004 has 36 divisors (see below), whose sum is σ = 2584137825360. Its totient is φ = 340649379840.

The previous prime is 1022122211003. The next prime is 1022122211021. The reversal of 1022122211004 is 4001122212201.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022122211003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2203077 + ... + 2626364.

It is an arithmetic number, because the mean of its divisors is an integer number (71781606260).

Almost surely, 2^{1022122211004} is an apocalyptic number.

It is an amenable number.

1022122211004 is an abundant number, since it is smaller than the sum of its proper divisors (1562015614356).

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

1022122211004 is a wasteful number, since it uses less digits than its factorization.

1022122211004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835330 (or 4835325 counting only the distinct ones).

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

Adding to 1022122211004 its reverse (4001122212201), we get a palindrome (5023244423205).

The spelling of 1022122211004 in words is "one trillion, twenty-two billion, one hundred twenty-two million, two hundred eleven thousand, four".