1022001111111 has 8 divisors (see below), whose sum is σ = 1362771535104. Its totient is φ = 681282380600.

The previous prime is 1022001111107. The next prime is 1022001111163. The reversal of 1022001111111 is 1111111002201.

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

It is a cyclic number.

It is not a de Polignac number, because 1022001111111 - 2² = 1022001111107 is a prime.

It is a super-2 number, since 2×1022001111111² (a number of 25 digits) contains 22 as substring.

1022001111111 is a modest number, since divided by 1111111 gives 102200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022001111811) by changing a digit.

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, 12877215 + ... + 12956336.

It is an arithmetic number, because the mean of its divisors is an integer number (170346441888).

Almost surely, 2^{1022001111111} is an apocalyptic number.

1022001111111 is a deficient number, since it is larger than the sum of its proper divisors (340770423993).

1022001111111 is a wasteful number, since it uses less digits than its factorization.

1022001111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25846741.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1022001111111 its reverse (1111111002201), we get a palindrome (2133112113312).

The spelling of 1022001111111 in words is "one trillion, twenty-two billion, one million, one hundred eleven thousand, one hundred eleven".