100001221000098 has 32 divisors (see below), whose sum is σ = 218189295708480. Its totient is φ = 30302731757760.

The previous prime is 100001221000097. The next prime is 100001221000139. The reversal of 100001221000098 is 890000122100001.

It is not an unprimeable number, because it can be changed into a prime (100001221000097) 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, 13695265 + ... + 19686612.

It is an arithmetic number, because the mean of its divisors is an integer number (6818415490890).

Almost surely, 2^{100001221000098} is an apocalyptic number.

100001221000098 is an abundant number, since it is smaller than the sum of its proper divisors (118188074708382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100001221000098 is a wasteful number, since it uses less digits than its factorization.

100001221000098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33427282.

The product of its (nonzero) digits is 288, while the sum is 24.

Adding to 100001221000098 its reverse (890000122100001), we get a palindrome (990001343100099).

The spelling of 100001221000098 in words is "one hundred trillion, one billion, two hundred twenty-one million, ninety-eight", and thus it is an aban number.