1002111010 has 8 divisors (see below), whose sum is σ = 1803799836. Its totient is φ = 400844400.

The previous prime is 1002110983. The next prime is 1002111013. The reversal of 1002111010 is 101112001.

It can be written as a sum of positive squares in 2 ways, for example, as 862185769 + 139925241 = 29363^2 + 11829^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1002110984 and 1002111002.

It is not an unprimeable number, because it can be changed into a prime (1002111013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50105541 + ... + 50105560.

Almost surely, 2^1002111010 is an apocalyptic number.

1002111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002111010 is a deficient number, since it is larger than the sum of its proper divisors (801688826).

1002111010 is a wasteful number, since it uses less digits than its factorization.

1002111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100211108.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1002111010 is about 31656.1370037470. The cubic root of 1002111010 is about 1000.7031754284.

Adding to 1002111010 its reverse (101112001), we get a palindrome (1103223011).

Subtracting from 1002111010 its reverse (101112001), we obtain a palindrome (900999009).

The spelling of 1002111010 in words is "one billion, two million, one hundred eleven thousand, ten".