1022122122011 has 4 divisors (see below), whose sum is σ = 1035060376800. Its totient is φ = 1009183867224.

The previous prime is 1022122121929. The next prime is 1022122122031. The reversal of 1022122122011 is 1102212212201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022122122011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022122122031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6469127276 + ... + 6469127433.

It is an arithmetic number, because the mean of its divisors is an integer number (258765094200).

Almost surely, 2^{1022122122011} is an apocalyptic number.

1022122122011 is a deficient number, since it is larger than the sum of its proper divisors (12938254789).

1022122122011 is an equidigital number, since it uses as much as digits as its factorization.

1022122122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12938254788.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022122122011 its reverse (1102212212201), we get a palindrome (2124334334212).

The spelling of 1022122122011 in words is "one trillion, twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, eleven".