11210211212129 has 2 divisors, whose sum is σ = 11210211212130. Its totient is φ = 11210211212128.

The previous prime is 11210211212047. The next prime is 11210211212149. The reversal of 11210211212129 is 92121211201211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11210121815104 + 89397025 = 3348152^2 + 9455^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210211212129 - 2¹² = 11210211208033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11210211212098 and 11210211212107.

It is not a weakly prime, because it can be changed into another prime (11210211212149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605105606064 + 5605105606065.

It is an arithmetic number, because the mean of its divisors is an integer number (5605105606065).

Almost surely, 2^{11210211212129} is an apocalyptic number.

It is an amenable number.

11210211212129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210211212129 is an equidigital number, since it uses as much as digits as its factorization.

11210211212129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 11210211212129 in words is "eleven trillion, two hundred ten billion, two hundred eleven million, two hundred twelve thousand, one hundred twenty-nine".