10111222010 has 16 divisors (see below), whose sum is σ = 18305406216. Its totient is φ = 4021109568.

The previous prime is 10111222007. The next prime is 10111222021. The reversal of 10111222010 is 1022211101.

It can be written as a sum of positive squares in 4 ways, for example, as 9520100041 + 591121969 = 97571^2 + 24313^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10111221982 and 10111222000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2920589 + ... + 2924048.

Almost surely, 2^10111222010 is an apocalyptic number.

10111222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10111222010 is a deficient number, since it is larger than the sum of its proper divisors (8194184206).

10111222010 is a wasteful number, since it uses less digits than its factorization.

10111222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844817.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10111222010 its reverse (1022211101), we get a palindrome (11133433111).

The spelling of 10111222010 in words is "ten billion, one hundred eleven million, two hundred twenty-two thousand, ten".