2121113132198 has 8 divisors (see below), whose sum is σ = 3220003068408. Its totient is φ = 1047778776064.

The previous prime is 2121113132197. The next prime is 2121113132227. The reversal of 2121113132198 is 8912313111212.

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

It is a super-3 number, since 3×2121113132198³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121113132197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6388894811 + ... + 6388895142.

It is an arithmetic number, because the mean of its divisors is an integer number (402500383551).

Almost surely, 2^{2121113132198} is an apocalyptic number.

2121113132198 is a deficient number, since it is larger than the sum of its proper divisors (1098889936210).

2121113132198 is a wasteful number, since it uses less digits than its factorization.

2121113132198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12777790038.

The product of its digits is 5184, while the sum is 35.

The spelling of 2121113132198 in words is "two trillion, one hundred twenty-one billion, one hundred thirteen million, one hundred thirty-two thousand, one hundred ninety-eight".