1211120001098 has 8 divisors (see below), whose sum is σ = 2076205716192. Its totient is φ = 519051429036.

The previous prime is 1211120001097. The next prime is 1211120001149. The reversal of 1211120001098 is 8901000211121.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1211120001097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43254285740 + ... + 43254285767.

It is an arithmetic number, because the mean of its divisors is an integer number (259525714524).

Almost surely, 2^{1211120001098} is an apocalyptic number.

1211120001098 is a deficient number, since it is larger than the sum of its proper divisors (865085715094).

1211120001098 is an equidigital number, since it uses as much as digits as its factorization.

1211120001098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86508571516.

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

The spelling of 1211120001098 in words is "one trillion, two hundred eleven billion, one hundred twenty million, one thousand, ninety-eight".