100212211093 has 2 divisors, whose sum is σ = 100212211094. Its totient is φ = 100212211092.

The previous prime is 100212211037. The next prime is 100212211129. The reversal of 100212211093 is 390112212001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79173578884 + 21038632209 = 281378^2 + 145047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100212211093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100212211013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106105546 + 50106105547.

It is an arithmetic number, because the mean of its divisors is an integer number (50106105547).

Almost surely, 2^100212211093 is an apocalyptic number.

It is an amenable number.

100212211093 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212211093 is an equidigital number, since it uses as much as digits as its factorization.

100212211093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 100212211093 its reverse (390112212001), we get a palindrome (490324423094).

The spelling of 100212211093 in words is "one hundred billion, two hundred twelve million, two hundred eleven thousand, ninety-three".