23211111121198 has 192 divisors, whose sum is σ = 47602472351616. Its totient is φ = 8258899968000.

The previous prime is 23211111121171. The next prime is 23211111121199. The reversal of 23211111121198 is 89112111111232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211111121199) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3899058190 + ... + 3899064142.

It is an arithmetic number, because the mean of its divisors is an integer number (247929543498).

Almost surely, 2^{23211111121198} is an apocalyptic number.

23211111121198 is an abundant number, since it is smaller than the sum of its proper divisors (24391361230418).

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

23211111121198 is a wasteful number, since it uses less digits than its factorization.

23211111121198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7851 (or 7840 counting only the distinct ones).

The product of its digits is 1728, while the sum is 34.

The spelling of 23211111121198 in words is "twenty-three trillion, two hundred eleven billion, one hundred eleven million, one hundred twenty-one thousand, one hundred ninety-eight".