101221120211099 has 8 divisors (see below), whose sum is σ = 118371542572800. Its totient is φ = 84743263432296.

The previous prime is 101221120211069. The next prime is 101221120211131. The reversal of 101221120211099 is 990112021122101.

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

It is not a de Polignac number, because 101221120211099 - 2¹² = 101221120207003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101221120211039) 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, 168141395399 + ... + 168141396000.

It is an arithmetic number, because the mean of its divisors is an integer number (14796442821600).

Almost surely, 2^{101221120211099} is an apocalyptic number.

101221120211099 is a deficient number, since it is larger than the sum of its proper divisors (17150422361701).

101221120211099 is an equidigital number, since it uses as much as digits as its factorization.

101221120211099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336282791449.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 101221120211099 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twenty million, two hundred eleven thousand, ninety-nine".