100211111201 has 2 divisors, whose sum is σ = 100211111202. Its totient is φ = 100211111200.

The previous prime is 100211111191. The next prime is 100211111227. The reversal of 100211111201 is 102111112001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85954512400 + 14256598801 = 293180^2 + 119401^2 .

It is a cyclic number.

It is not a de Polignac number, because 100211111201 - 2²⁶ = 100144002337 is a prime.

It is not a weakly prime, because it can be changed into another prime (100211111261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105555600 + 50105555601.

It is an arithmetic number, because the mean of its divisors is an integer number (50105555601).

Almost surely, 2^100211111201 is an apocalyptic number.

It is an amenable number.

100211111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211111201 is an equidigital number, since it uses as much as digits as its factorization.

100211111201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100211111201 its reverse (102111112001), we get a palindrome (202322223202).

The spelling of 100211111201 in words is "one hundred billion, two hundred eleven million, one hundred eleven thousand, two hundred one".