100100222121198 has 64 divisors (see below), whose sum is σ = 216601235085312. Its totient is φ = 30657146405760.

The previous prime is 100100222121131. The next prime is 100100222121203. The reversal of 100100222121198 is 891121222001001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111343528 + ... + 112238948.

It is an arithmetic number, because the mean of its divisors is an integer number (3384394298208).

Almost surely, 2^{100100222121198} is an apocalyptic number.

100100222121198 is an abundant number, since it is smaller than the sum of its proper divisors (116501012964114).

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

100100222121198 is a wasteful number, since it uses less digits than its factorization.

100100222121198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902089.

The product of its (nonzero) digits is 1152, while the sum is 30.

Adding to 100100222121198 its reverse (891121222001001), we get a palindrome (991221444122199).

The spelling of 100100222121198 in words is "one hundred trillion, one hundred billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred ninety-eight".