102221121098 has 8 divisors (see below), whose sum is σ = 153504549792. Its totient is φ = 51052937836.

The previous prime is 102221121097. The next prime is 102221121103. The reversal of 102221121098 is 890121122201.

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

It is a super-3 number, since 3×102221121098³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102221121098.

It is not an unprimeable number, because it can be changed into a prime (102221121097) by changing a digit.

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, 28809140 + ... + 28812687.

It is an arithmetic number, because the mean of its divisors is an integer number (19188068724).

Almost surely, 2^102221121098 is an apocalyptic number.

102221121098 is a deficient number, since it is larger than the sum of its proper divisors (51283428694).

102221121098 is an equidigital number, since it uses as much as digits as its factorization.

102221121098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57622716.

The product of its (nonzero) digits is 1152, while the sum is 29.

Adding to 102221121098 its reverse (890121122201), we get a palindrome (992342243299).

The spelling of 102221121098 in words is "one hundred two billion, two hundred twenty-one million, one hundred twenty-one thousand, ninety-eight".