1020022111 has 2 divisors, whose sum is σ = 1020022112. Its totient is φ = 1020022110.

The previous prime is 1020022097. The next prime is 1020022121. The reversal of 1020022111 is 1112200201.

It is an a-pointer prime, because the next prime (1020022121) can be obtained adding 1020022111 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020022111 - 2⁹ = 1020021599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020022121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510011055 + 510011056.

It is an arithmetic number, because the mean of its divisors is an integer number (510011056).

Almost surely, 2^1020022111 is an apocalyptic number.

1020022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020022111 is an equidigital number, since it uses as much as digits as its factorization.

1020022111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1020022111 is about 31937.7850045992. The cubic root of 1020022111 is about 1006.6299831790.

Adding to 1020022111 its reverse (1112200201), we get a palindrome (2132222312).

The spelling of 1020022111 in words is "one billion, twenty million, twenty-two thousand, one hundred eleven".