210102001102091 has 6 divisors (see below), whose sum is σ = 244404368629020. Its totient is φ = 180087429516036.

The previous prime is 210102001102087. The next prime is 210102001102121. The reversal of 210102001102091 is 190201100201012.

It is not a de Polignac number, because 210102001102091 - 2² = 210102001102087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210102001102291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2143897970381 + ... + 2143897970478.

It is an arithmetic number, because the mean of its divisors is an integer number (40734061438170).

Almost surely, 2^{210102001102091} is an apocalyptic number.

210102001102091 is a deficient number, since it is larger than the sum of its proper divisors (34302367526929).

210102001102091 is an equidigital number, since it uses as much as digits as its factorization.

210102001102091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287795940873 (or 4287795940866 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 210102001102091 in words is "two hundred ten trillion, one hundred two billion, one million, one hundred two thousand, ninety-one".