10212001211091 has 8 divisors (see below), whose sum is σ = 13616658872320. Its totient is φ = 6807672178632.

The previous prime is 10212001211033. The next prime is 10212001211123. The reversal of 10212001211091 is 19011210021201.

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

It is not a de Polignac number, because 10212001211091 - 2²² = 10211997016787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212001218091) 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, 82084675 + ... + 82208988.

It is an arithmetic number, because the mean of its divisors is an integer number (1702082359040).

Almost surely, 2^{10212001211091} is an apocalyptic number.

10212001211091 is a deficient number, since it is larger than the sum of its proper divisors (3404657661229).

10212001211091 is a wasteful number, since it uses less digits than its factorization.

10212001211091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164314385.

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

Adding to 10212001211091 its reverse (19011210021201), we get a palindrome (29223211232292).

The spelling of 10212001211091 in words is "ten trillion, two hundred twelve billion, one million, two hundred eleven thousand, ninety-one".