10211380 has 12 divisors (see below), whose sum is σ = 21443940. Its totient is φ = 4084544.

The previous prime is 10211363. The next prime is 10211387. The reversal of 10211380 is 8311201.

It can be written as a sum of positive squares in 2 ways, for example, as 1882384 + 8328996 = 1372^2 + 2886^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255265 + ... + 255304.

It is an arithmetic number, because the mean of its divisors is an integer number (1786995).

Almost surely, 2^10211380 is an apocalyptic number.

10211380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211380 is an abundant number, since it is smaller than the sum of its proper divisors (11232560).

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

10211380 is a wasteful number, since it uses less digits than its factorization.

10211380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510578 (or 510576 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 10211380 is about 3195.5249959905. The cubic root of 10211380 is about 216.9509116172.

Adding to 10211380 its reverse (8311201), we get a palindrome (18522581).

It can be divided in two parts, 1021 and 1380, that added together give a 4-th power (2401 = 7⁴).

The spelling of 10211380 in words is "ten million, two hundred eleven thousand, three hundred eighty".