100212002011091 has 2 divisors, whose sum is σ = 100212002011092. Its totient is φ = 100212002011090.

The previous prime is 100212002011081. The next prime is 100212002011103. The reversal of 100212002011091 is 190110200212001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100212002011091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100212002011021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106001005545 + 50106001005546.

It is an arithmetic number, because the mean of its divisors is an integer number (50106001005546).

Almost surely, 2^{100212002011091} is an apocalyptic number.

100212002011091 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212002011091 is an equidigital number, since it uses as much as digits as its factorization.

100212002011091 is an evil number, because the sum of its binary digits is even.

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

Adding to 100212002011091 its reverse (190110200212001), we get a palindrome (290322202223092).

The spelling of 100212002011091 in words is "one hundred trillion, two hundred twelve billion, two million, eleven thousand, ninety-one".