10011221020010 has 32 divisors (see below), whose sum is σ = 20668860270720. Its totient is φ = 3420027225792.

The previous prime is 10011221019953. The next prime is 10011221020033. The reversal of 10011221020010 is 1002012211001.

It is a super-2 number, since 2×10011221020010² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10011221019973 and 10011221020000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258134840 + ... + 258173619.

It is an arithmetic number, because the mean of its divisors is an integer number (645901883460).

Almost surely, 2^{10011221020010} is an apocalyptic number.

10011221020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10011221020010 is an abundant number, since it is smaller than the sum of its proper divisors (10657639250710).

10011221020010 is a wasteful number, since it uses less digits than its factorization.

10011221020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516308750.

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

Adding to 10011221020010 its reverse (1002012211001), we get a palindrome (11013233231011).

The spelling of 10011221020010 in words is "ten trillion, eleven billion, two hundred twenty-one million, twenty thousand, ten".