10221211221099 has 8 divisors (see below), whose sum is σ = 14345559608640. Its totient is φ = 6455501823816.

The previous prime is 10221211221017. The next prime is 10221211221119. The reversal of 10221211221099 is 99012211212201.

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

It is not a de Polignac number, because 10221211221099 - 2⁹ = 10221211220587 is a prime.

It is a super-2 number, since 2×10221211221099² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10221211241099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89659747497 + ... + 89659747610.

It is an arithmetic number, because the mean of its divisors is an integer number (1793194951080).

Almost surely, 2^{10221211221099} is an apocalyptic number.

10221211221099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10221211221099 is a deficient number, since it is larger than the sum of its proper divisors (4124348387541).

10221211221099 is a wasteful number, since it uses less digits than its factorization.

10221211221099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179319495129.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 10221211221099 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twenty-one thousand, ninety-nine".