1011220012010 has 32 divisors (see below), whose sum is σ = 1973366917200. Its totient is φ = 370867673088.

The previous prime is 1011220011953. The next prime is 1011220012013. The reversal of 1011220012010 is 102100221101.

It can be written as a sum of positive squares in 8 ways, for example, as 257238652969 + 753981359041 = 507187^2 + 868321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011220011982 and 1011220012000.

It is not an unprimeable number, because it can be changed into a prime (1011220012013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26083367 + ... + 26122106.

Almost surely, 2^{1011220012010} is an apocalyptic number.

1011220012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011220012010 is a deficient number, since it is larger than the sum of its proper divisors (962146905190).

1011220012010 is a wasteful number, since it uses less digits than its factorization.

1011220012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52205642.

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

Adding to 1011220012010 its reverse (102100221101), we get a palindrome (1113320233111).

The spelling of 1011220012010 in words is "one trillion, eleven billion, two hundred twenty million, twelve thousand, ten".