12201110021091 has 8 divisors (see below), whose sum is σ = 16268187784464. Its totient is φ = 8134052802560.

The previous prime is 12201110021081. The next prime is 12201110021101. The reversal of 12201110021091 is 19012001110221.

It is an interprime number because it is at equal distance from previous prime (12201110021081) and next prime (12201110021101).

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

It is a cyclic number.

It is not a de Polignac number, because 12201110021091 - 2¹⁸ = 12201109758947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201110021071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3692526 + ... + 6167411.

It is an arithmetic number, because the mean of its divisors is an integer number (2033523473058).

Almost surely, 2^{12201110021091} is an apocalyptic number.

12201110021091 is a deficient number, since it is larger than the sum of its proper divisors (4067077763373).

12201110021091 is an equidigital number, since it uses as much as digits as its factorization.

12201110021091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10272421.

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

The spelling of 12201110021091 in words is "twelve trillion, two hundred one billion, one hundred ten million, twenty-one thousand, ninety-one".