212021003011 has 2 divisors, whose sum is σ = 212021003012. Its totient is φ = 212021003010.

The previous prime is 212021002981. The next prime is 212021003039. The reversal of 212021003011 is 110300120212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212021003011 is a prime.

It is a super-2 number, since 2×212021003011² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212021002982 and 212021003000.

It is not a weakly prime, because it can be changed into another prime (212021003041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010501505 + 106010501506.

It is an arithmetic number, because the mean of its divisors is an integer number (106010501506).

Almost surely, 2^212021003011 is an apocalyptic number.

212021003011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021003011 is an equidigital number, since it uses as much as digits as its factorization.

212021003011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 212021003011 its reverse (110300120212), we get a palindrome (322321123223).

The spelling of 212021003011 in words is "two hundred twelve billion, twenty-one million, three thousand, eleven".