10212021210511 has 2 divisors, whose sum is σ = 10212021210512. Its totient is φ = 10212021210510.

The previous prime is 10212021210487. The next prime is 10212021210539. The reversal of 10212021210511 is 11501212021201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10212021210511 - 2¹¹ = 10212021208463 is a prime.

It is a super-2 number, since 2×10212021210511² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212021219511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106010605255 + 5106010605256.

It is an arithmetic number, because the mean of its divisors is an integer number (5106010605256).

Almost surely, 2^{10212021210511} is an apocalyptic number.

10212021210511 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212021210511 is an equidigital number, since it uses as much as digits as its factorization.

10212021210511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 10212021210511 its reverse (11501212021201), we get a palindrome (21713233231712).

The spelling of 10212021210511 in words is "ten trillion, two hundred twelve billion, twenty-one million, two hundred ten thousand, five hundred eleven".