1012211201105 has 16 divisors (see below), whose sum is σ = 1308143390400. Its totient is φ = 747447572928.

The previous prime is 1012211201083. The next prime is 1012211201123. The reversal of 1012211201105 is 5011021122101.

It is a cyclic number.

It is not a de Polignac number, because 1012211201105 - 2⁸ = 1012211200849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1288946 + ... + 1919844.

It is an arithmetic number, because the mean of its divisors is an integer number (81758961900).

Almost surely, 2^{1012211201105} is an apocalyptic number.

It is an amenable number.

1012211201105 is a deficient number, since it is larger than the sum of its proper divisors (295932189295).

1012211201105 is a wasteful number, since it uses less digits than its factorization.

1012211201105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655600.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 1012211201105 its reverse (5011021122101), we get a palindrome (6023232323206).

The spelling of 1012211201105 in words is "one trillion, twelve billion, two hundred eleven million, two hundred one thousand, one hundred five".