1022122001111 has 8 divisors (see below), whose sum is σ = 1028404118640. Its totient is φ = 1015855492608.

The previous prime is 1022122001101. The next prime is 1022122001123. The reversal of 1022122001111 is 1111002212201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022122001111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022122001101) by changing a digit.

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, 3770876 + ... + 4032833.

It is an arithmetic number, because the mean of its divisors is an integer number (128550514830).

Almost surely, 2^{1022122001111} is an apocalyptic number.

1022122001111 is a deficient number, since it is larger than the sum of its proper divisors (6282117529).

1022122001111 is an equidigital number, since it uses as much as digits as its factorization.

1022122001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7804513.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1022122001111 its reverse (1111002212201), we get a palindrome (2133124213312).

The spelling of 1022122001111 in words is "one trillion, twenty-two billion, one hundred twenty-two million, one thousand, one hundred eleven".