1122001022111 has 8 divisors (see below), whose sum is σ = 1133395981824. Its totient is φ = 1110611671200.

The previous prime is 1122001022099. The next prime is 1122001022137. The reversal of 1122001022111 is 1112201002211.

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 1122001022111 - 2¹⁸ = 1122000759967 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 (1122001022411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999500 + ... + 1800833.

It is an arithmetic number, because the mean of its divisors is an integer number (141674497728).

Almost surely, 2^{1122001022111} is an apocalyptic number.

1122001022111 is a deficient number, since it is larger than the sum of its proper divisors (11394959713).

1122001022111 is a wasteful number, since it uses less digits than its factorization.

1122001022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804401.

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

Adding to 1122001022111 its reverse (1112201002211), we get a palindrome (2234202024322).

It can be divided in two parts, 112200 and 1022111, that added together give a palindrome (1134311).

The spelling of 1122001022111 in words is "one trillion, one hundred twenty-two billion, one million, twenty-two thousand, one hundred eleven".