1011221222110 has 32 divisors (see below), whose sum is σ = 1986096153600. Its totient is φ = 367638032160.

The previous prime is 1011221222057. The next prime is 1011221222111. The reversal of 1011221222110 is 112221221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011221222111) 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, 467670 + ... + 1497049.

It is an arithmetic number, because the mean of its divisors is an integer number (62065504800).

Almost surely, 2^{1011221222110} is an apocalyptic number.

1011221222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011221222110 is a deficient number, since it is larger than the sum of its proper divisors (974874931490).

1011221222110 is a wasteful number, since it uses less digits than its factorization.

1011221222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969416.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1011221222110 its reverse (112221221101), we get a palindrome (1123442443211).

The spelling of 1011221222110 in words is "one trillion, eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred ten".