1011221102 has 8 divisors (see below), whose sum is σ = 1517779200. Its totient is φ = 505294704.

The previous prime is 1011221083. The next prime is 1011221111. The reversal of 1011221102 is 2011221101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153902 + ... + 160337.

It is an arithmetic number, because the mean of its divisors is an integer number (189722400).

Almost surely, 2^1011221102 is an apocalyptic number.

1011221102 is a deficient number, since it is larger than the sum of its proper divisors (506558098).

1011221102 is a wasteful number, since it uses less digits than its factorization.

1011221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315850.

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

The square root of 1011221102 is about 31799.7028602470. The cubic root of 1011221102 is about 1003.7264635535.

Adding to 1011221102 its reverse (2011221101), we get a palindrome (3022442203).

Subtracting 1011221102 from its reverse (2011221101), we obtain a palindrome (999999999).

The spelling of 1011221102 in words is "one billion, eleven million, two hundred twenty-one thousand, one hundred two".