102121110098 has 32 divisors (see below), whose sum is σ = 180963901440. Its totient is φ = 42295340880.

The previous prime is 102121110097. The next prime is 102121110109. The reversal of 102121110098 is 890011121201.

It is a super-2 number, since 2×102121110098² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102121110097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148415 + ... + 475677.

It is an arithmetic number, because the mean of its divisors is an integer number (5655121920).

Almost surely, 2^102121110098 is an apocalyptic number.

102121110098 is a deficient number, since it is larger than the sum of its proper divisors (78842791342).

102121110098 is a wasteful number, since it uses less digits than its factorization.

102121110098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328022.

The product of its (nonzero) digits is 288, while the sum is 26.

Adding to 102121110098 its reverse (890011121201), we get a palindrome (992132231299).

The spelling of 102121110098 in words is "one hundred two billion, one hundred twenty-one million, one hundred ten thousand, ninety-eight".