202012100222111 has 2 divisors, whose sum is σ = 202012100222112. Its totient is φ = 202012100222110.

The previous prime is 202012100222047. The next prime is 202012100222137. The reversal of 202012100222111 is 111222001210202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202012100222111 - 2⁶ = 202012100222047 is a prime.

It is a super-2 number, since 2×202012100222111² (a number of 29 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 202012100222111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202012100222161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101006050111055 + 101006050111056.

It is an arithmetic number, because the mean of its divisors is an integer number (101006050111056).

Almost surely, 2^{202012100222111} is an apocalyptic number.

202012100222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

202012100222111 is an equidigital number, since it uses as much as digits as its factorization.

202012100222111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202012100222111 its reverse (111222001210202), we get a palindrome (313234101432313).

The spelling of 202012100222111 in words is "two hundred two trillion, twelve billion, one hundred million, two hundred twenty-two thousand, one hundred eleven".