211012101389 has 2 divisors, whose sum is σ = 211012101390. Its totient is φ = 211012101388.

The previous prime is 211012101337. The next prime is 211012101403. The reversal of 211012101389 is 983101210112.

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., 210506616100 + 505485289 = 458810^2 + 22483^2 .

It is a cyclic number.

It is not a de Polignac number, because 211012101389 - 2¹⁶ = 211012035853 is a prime.

It is a super-2 number, since 2×211012101389² (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 (211012101329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506050694 + 105506050695.

It is an arithmetic number, because the mean of its divisors is an integer number (105506050695).

Almost surely, 2^211012101389 is an apocalyptic number.

It is an amenable number.

211012101389 is a deficient number, since it is larger than the sum of its proper divisors (1).

211012101389 is an equidigital number, since it uses as much as digits as its factorization.

211012101389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 211012101389 in words is "two hundred eleven billion, twelve million, one hundred one thousand, three hundred eighty-nine".