2101018372 has 24 divisors (see below), whose sum is σ = 3936817080. Its totient is φ = 977602560.

The previous prime is 2101018357. The next prime is 2101018373. The reversal of 2101018372 is 2738101012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 364962816 + 1736055556 = 19104^2 + 41666^2 .

It is not an unprimeable number, because it can be changed into a prime (2101018373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167529 + ... + 179632.

It is an arithmetic number, because the mean of its divisors is an integer number (164034045).

Almost surely, 2^2101018372 is an apocalyptic number.

It is an amenable number.

2101018372 is a deficient number, since it is larger than the sum of its proper divisors (1835798708).

2101018372 is a wasteful number, since it uses less digits than its factorization.

2101018372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347271 (or 347269 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2101018372 is about 45836.8669522689. The cubic root of 2101018372 is about 1280.7861324824.

Adding to 2101018372 its reverse (2738101012), we get a palindrome (4839119384).

The spelling of 2101018372 in words is "two billion, one hundred one million, eighteen thousand, three hundred seventy-two".