2107421108 has 12 divisors (see below), whose sum is σ = 3971678340. Its totient is φ = 972655872.

The previous prime is 2107421087. The next prime is 2107421111. The reversal of 2107421108 is 8011247012.

It can be written as a sum of positive squares in 2 ways, for example, as 807241744 + 1300179364 = 28412^2 + 36058^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20263613 + ... + 20263716.

It is an arithmetic number, because the mean of its divisors is an integer number (330973195).

Almost surely, 2^2107421108 is an apocalyptic number.

It is an amenable number.

2107421108 is a deficient number, since it is larger than the sum of its proper divisors (1864257232).

2107421108 is a wasteful number, since it uses less digits than its factorization.

2107421108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40527346 (or 40527344 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 2107421108 is about 45906.6564672271. The cubic root of 2107421108 is about 1282.0858544709.

The spelling of 2107421108 in words is "two billion, one hundred seven million, four hundred twenty-one thousand, one hundred eight".