211012101073 has 2 divisors, whose sum is σ = 211012101074. Its totient is φ = 211012101072.

The previous prime is 211012100989. The next prime is 211012101107. The reversal of 211012101073 is 370101210112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203668982209 + 7343118864 = 451297^2 + 85692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211012101073 is a prime.

It is a super-2 number, since 2×211012101073² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211012101073.

It is not a weakly prime, because it can be changed into another prime (211012102073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506050536 + 105506050537.

It is an arithmetic number, because the mean of its divisors is an integer number (105506050537).

Almost surely, 2^211012101073 is an apocalyptic number.

It is an amenable number.

211012101073 is a deficient number, since it is larger than the sum of its proper divisors (1).

211012101073 is an equidigital number, since it uses as much as digits as its factorization.

211012101073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 211012101073 its reverse (370101210112), we get a palindrome (581113311185).

The spelling of 211012101073 in words is "two hundred eleven billion, twelve million, one hundred one thousand, seventy-three".