211100442034129 has 2 divisors, whose sum is σ = 211100442034130. Its totient is φ = 211100442034128.

The previous prime is 211100442034103. The next prime is 211100442034169. The reversal of 211100442034129 is 921430244001112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208590283449025 + 2510158585104 = 14442655^2 + 1584348^2 .

It is a cyclic number.

It is not a de Polignac number, because 211100442034129 - 2¹³ = 211100442025937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211100442034094 and 211100442034103.

It is not a weakly prime, because it can be changed into another prime (211100442034169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105550221017064 + 105550221017065.

It is an arithmetic number, because the mean of its divisors is an integer number (105550221017065).

Almost surely, 2^{211100442034129} is an apocalyptic number.

It is an amenable number.

211100442034129 is a deficient number, since it is larger than the sum of its proper divisors (1).

211100442034129 is an equidigital number, since it uses as much as digits as its factorization.

211100442034129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 211100442034129 in words is "two hundred eleven trillion, one hundred billion, four hundred forty-two million, thirty-four thousand, one hundred twenty-nine".