211002044101 has 2 divisors, whose sum is σ = 211002044102. Its totient is φ = 211002044100.

The previous prime is 211002044089. The next prime is 211002044131. The reversal of 211002044101 is 101440200112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182648535876 + 28353508225 = 427374^2 + 168385^2 .

It is a cyclic number.

It is not a de Polignac number, because 211002044101 - 2⁵ = 211002044069 is a prime.

It is a super-2 number, since 2×211002044101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211002044131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105501022050 + 105501022051.

It is an arithmetic number, because the mean of its divisors is an integer number (105501022051).

Almost surely, 2^211002044101 is an apocalyptic number.

It is an amenable number.

211002044101 is a deficient number, since it is larger than the sum of its proper divisors (1).

211002044101 is an equidigital number, since it uses as much as digits as its factorization.

211002044101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211002044101 its reverse (101440200112), we get a palindrome (312442244213).

The spelling of 211002044101 in words is "two hundred eleven billion, two million, forty-four thousand, one hundred one".