2125771330 has 16 divisors (see below), whose sum is σ = 3830420664. Its totient is φ = 849412480.

The previous prime is 2125771279. The next prime is 2125771331. The reversal of 2125771330 is 331775212.

It can be written as a sum of positive squares in 4 ways, for example, as 1517803681 + 607967649 = 38959^2 + 24657^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2125771292 and 2125771301.

It is not an unprimeable number, because it can be changed into a prime (2125771331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102001 + ... + 121060.

Almost surely, 2^2125771330 is an apocalyptic number.

2125771330 is a deficient number, since it is larger than the sum of its proper divisors (1704649334).

2125771330 is a wasteful number, since it uses less digits than its factorization.

2125771330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224021.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 2125771330 is about 46106.0877759109. The cubic root of 2125771330 is about 1285.7963299732.

The spelling of 2125771330 in words is "two billion, one hundred twenty-five million, seven hundred seventy-one thousand, three hundred thirty".