10211212289 has 2 divisors, whose sum is σ = 10211212290. Its totient is φ = 10211212288.

The previous prime is 10211212283. The next prime is 10211212321. The reversal of 10211212289 is 98221211201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7619893264 + 2591319025 = 87292^2 + 50905^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211212289 - 2²⁴ = 10194435073 is a prime.

It is a super-2 number, since 2×10211212289² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10211212283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105606144 + 5105606145.

It is an arithmetic number, because the mean of its divisors is an integer number (5105606145).

Almost surely, 2^10211212289 is an apocalyptic number.

It is an amenable number.

10211212289 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211212289 is an equidigital number, since it uses as much as digits as its factorization.

10211212289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 10211212289 in words is "ten billion, two hundred eleven million, two hundred twelve thousand, two hundred eighty-nine".