2912091102 has 32 divisors (see below), whose sum is σ = 6551216160. Its totient is φ = 970695576.

The previous prime is 2912091089. The next prime is 2912091103. The reversal of 2912091102 is 2011902192.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2912091103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328513 + ... + 337260.

It is an arithmetic number, because the mean of its divisors is an integer number (204725505).

Almost surely, 2^2912091102 is an apocalyptic number.

2912091102 is an abundant number, since it is smaller than the sum of its proper divisors (3639125058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2912091102 is an frugal number, since it uses more digits than its factorization.

2912091102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665796 (or 665778 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 2912091102 is about 53963.7943625168. The cubic root of 2912091102 is about 1428.0222879792.

Adding to 2912091102 its reverse (2011902192), we get a palindrome (4923993294).

The spelling of 2912091102 in words is "two billion, nine hundred twelve million, ninety-one thousand, one hundred two".