1012211099 has 16 divisors (see below), whose sum is σ = 1076824320. Its totient is φ = 949808160.

The previous prime is 1012211051. The next prime is 1012211107. The reversal of 1012211099 is 9901122101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012211099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012211699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261194 + ... + 265040.

It is an arithmetic number, because the mean of its divisors is an integer number (67301520).

Almost surely, 2^1012211099 is an apocalyptic number.

1012211099 is a deficient number, since it is larger than the sum of its proper divisors (64613221).

1012211099 is a wasteful number, since it uses less digits than its factorization.

1012211099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 1012211099 is about 31815.2651882709. The cubic root of 1012211099 is about 1004.0539099400.

The spelling of 1012211099 in words is "one billion, twelve million, two hundred eleven thousand, ninety-nine".