100121102198 has 16 divisors (see below), whose sum is σ = 163217891760. Its totient is φ = 45785795616.

The previous prime is 100121102197. The next prime is 100121102209. The reversal of 100121102198 is 891201121001.

It is a super-3 number, since 3×100121102198³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121102197) 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, 17661440 + ... + 17667107.

It is an arithmetic number, because the mean of its divisors is an integer number (10201118235).

Almost surely, 2^100121102198 is an apocalyptic number.

100121102198 is a deficient number, since it is larger than the sum of its proper divisors (63096789562).

100121102198 is a wasteful number, since it uses less digits than its factorization.

100121102198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35328671.

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

Adding to 100121102198 its reverse (891201121001), we get a palindrome (991322223199).

The spelling of 100121102198 in words is "one hundred billion, one hundred twenty-one million, one hundred two thousand, one hundred ninety-eight".