1000212022111 has 2 divisors, whose sum is σ = 1000212022112. Its totient is φ = 1000212022110.

The previous prime is 1000212022097. The next prime is 1000212022153. The reversal of 1000212022111 is 1112202120001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000212022111 - 2²³ = 1000203633503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000212022091 and 1000212022100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000212052111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500106011055 + 500106011056.

It is an arithmetic number, because the mean of its divisors is an integer number (500106011056).

Almost surely, 2^{1000212022111} is an apocalyptic number.

1000212022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000212022111 is an equidigital number, since it uses as much as digits as its factorization.

1000212022111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1000212022111 its reverse (1112202120001), we get a palindrome (2112414142112).

The spelling of 1000212022111 in words is "one trillion, two hundred twelve million, twenty-two thousand, one hundred eleven".