1011221022010 has 16 divisors (see below), whose sum is σ = 1927268301096. Its totient is φ = 380694972928.

The previous prime is 1011221021917. The next prime is 1011221022029. The reversal of 1011221022010 is 102201221101.

It can be written as a sum of positive squares in 4 ways, for example, as 965972499921 + 45248522089 = 982839^2 + 212717^2 .

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, 2974179307 + ... + 2974179646.

Almost surely, 2^{1011221022010} is an apocalyptic number.

1011221022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011221022010 is a deficient number, since it is larger than the sum of its proper divisors (916047279086).

1011221022010 is a wasteful number, since it uses less digits than its factorization.

1011221022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5948358977.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011221022010 its reverse (102201221101), we get a palindrome (1113422243111).

The spelling of 1011221022010 in words is "one trillion, eleven billion, two hundred twenty-one million, twenty-two thousand, ten".