1121001022105 has 64 divisors (see below), whose sum is σ = 1447479072000. Its totient is φ = 830941949952.

The previous prime is 1121001022103. The next prime is 1121001022133. The reversal of 1121001022105 is 5012201001211.

It is a cyclic number.

It is not a de Polignac number, because 1121001022105 - 2¹ = 1121001022103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121001022103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 434663706 + ... + 434666284.

It is an arithmetic number, because the mean of its divisors is an integer number (22616860500).

Almost surely, 2^{1121001022105} is an apocalyptic number.

It is an amenable number.

1121001022105 is a deficient number, since it is larger than the sum of its proper divisors (326478049895).

1121001022105 is a wasteful number, since it uses less digits than its factorization.

1121001022105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 1121001022105 its reverse (5012201001211), we get a palindrome (6133202023316).

The spelling of 1121001022105 in words is "one trillion, one hundred twenty-one billion, one million, twenty-two thousand, one hundred five".