10221221112110 has 8 divisors (see below), whose sum is σ = 18398198001816. Its totient is φ = 4088488444840.

The previous prime is 10221221112071. The next prime is 10221221112133. The reversal of 10221221112110 is 1121112212201.

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

It is a super-2 number, since 2×10221221112110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 511061055596 + ... + 511061055615.

It is an arithmetic number, because the mean of its divisors is an integer number (2299774750227).

Almost surely, 2^{10221221112110} is an apocalyptic number.

10221221112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221221112110 is a deficient number, since it is larger than the sum of its proper divisors (8176976889706).

10221221112110 is a wasteful number, since it uses less digits than its factorization.

10221221112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022122111218.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10221221112110 its reverse (1121112212201), we get a palindrome (11342333324311).

It can be divided in two parts, 102 and 21221112110, that added together give a palindrome (21221112212).

The spelling of 10221221112110 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred twelve thousand, one hundred ten".