12210210101091 has 4 divisors (see below), whose sum is σ = 16280280134792. Its totient is φ = 8140140067392.

The previous prime is 12210210101083. The next prime is 12210210101101. The reversal of 12210210101091 is 19010101201221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12210210101091 - 2³ = 12210210101083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210210101041) 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, 2035035016846 + ... + 2035035016851.

It is an arithmetic number, because the mean of its divisors is an integer number (4070070033698).

Almost surely, 2^{12210210101091} is an apocalyptic number.

12210210101091 is a deficient number, since it is larger than the sum of its proper divisors (4070070033701).

12210210101091 is an equidigital number, since it uses as much as digits as its factorization.

12210210101091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070070033700.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 12210210101091 in words is "twelve trillion, two hundred ten billion, two hundred ten million, one hundred one thousand, ninety-one".