1012002201105 has 64 divisors (see below), whose sum is σ = 1888563494400. Its totient is φ = 462561103872.

The previous prime is 1012002201103. The next prime is 1012002201107. The reversal of 1012002201105 is 5011022002101.

It is an interprime number because it is at equal distance from previous prime (1012002201103) and next prime (1012002201107).

It is not a de Polignac number, because 1012002201105 - 2¹ = 1012002201103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1012002201103) 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, 54821037 + ... + 54839493.

It is an arithmetic number, because the mean of its divisors is an integer number (29508804600).

Almost surely, 2^{1012002201105} is an apocalyptic number.

1012002201105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012002201105 is a deficient number, since it is larger than the sum of its proper divisors (876561293295).

1012002201105 is a wasteful number, since it uses less digits than its factorization.

1012002201105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29143 (or 29129 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 1012002201105 its reverse (5011022002101), we get a palindrome (6023024203206).

The spelling of 1012002201105 in words is "one trillion, twelve billion, two million, two hundred one thousand, one hundred five".