110001221010 has 48 divisors (see below), whose sum is σ = 292978871640. Its totient is φ = 28618202880.

The previous prime is 110001220999. The next prime is 110001221021. The reversal of 110001221010 is 10122100011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (110001220999) and next prime (110001221021).

It can be written as a sum of positive squares in 4 ways, for example, as 22249600569 + 87751620441 = 149163^2 + 296229^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 110001220983 and 110001221001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14901625 + ... + 14909004.

Almost surely, 2^110001221010 is an apocalyptic number.

110001221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

110001221010 is an abundant number, since it is smaller than the sum of its proper divisors (182977650630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110001221010 is a wasteful number, since it uses less digits than its factorization.

110001221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29810683 (or 29810680 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 110001221010 its reverse (10122100011), we get a palindrome (120123321021).

The spelling of 110001221010 in words is "one hundred ten billion, one million, two hundred twenty-one thousand, ten".