211210100029 has 2 divisors, whose sum is σ = 211210100030. Its totient is φ = 211210100028.

The previous prime is 211210099979. The next prime is 211210100063. The reversal of 211210100029 is 920001012112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156396520900 + 54813579129 = 395470^2 + 234123^2 .

It is a cyclic number.

It is not a de Polignac number, because 211210100029 - 2¹¹ = 211210097981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211210099979 and 211210100015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211210100069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605050014 + 105605050015.

It is an arithmetic number, because the mean of its divisors is an integer number (105605050015).

Almost surely, 2^211210100029 is an apocalyptic number.

It is an amenable number.

211210100029 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210100029 is an equidigital number, since it uses as much as digits as its factorization.

211210100029 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 19.

The spelling of 211210100029 in words is "two hundred eleven billion, two hundred ten million, one hundred thousand, twenty-nine".