211010497930 has 8 divisors (see below), whose sum is σ = 379818896292. Its totient is φ = 84404199168.

The previous prime is 211010497921. The next prime is 211010497931. The reversal of 211010497930 is 39794010112.

211010497930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 191634693121 + 19375804809 = 437761^2 + 139197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211010497930.

It is not an unprimeable number, because it can be changed into a prime (211010497931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10550524887 + ... + 10550524906.

Almost surely, 2^211010497930 is an apocalyptic number.

211010497930 is a deficient number, since it is larger than the sum of its proper divisors (168808398362).

211010497930 is a wasteful number, since it uses less digits than its factorization.

211010497930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21101049800.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 211010497930 in words is "two hundred eleven billion, ten million, four hundred ninety-seven thousand, nine hundred thirty".