1011320210 has 16 divisors (see below), whose sum is σ = 1831973976. Its totient is φ = 401950848.

The previous prime is 1011320207. The next prime is 1011320213. The reversal of 1011320210 is 120231101.

It is an interprime number because it is at equal distance from previous prime (1011320207) and next prime (1011320213).

It can be written as a sum of positive squares in 4 ways, for example, as 337346689 + 673973521 = 18367^2 + 25961^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011320191 and 1011320200.

It is not an unprimeable number, because it can be changed into a prime (1011320213) 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, 320507 + ... + 323646.

Almost surely, 2^1011320210 is an apocalyptic number.

1011320210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011320210 is a deficient number, since it is larger than the sum of its proper divisors (820653766).

1011320210 is a wasteful number, since it uses less digits than its factorization.

1011320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644317.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1011320210 is about 31801.2611385146. The cubic root of 1011320210 is about 1003.7592536369.

Adding to 1011320210 its reverse (120231101), we get a palindrome (1131551311).

The spelling of 1011320210 in words is "one billion, eleven million, three hundred twenty thousand, two hundred ten".