1022111021077 has 2 divisors, whose sum is σ = 1022111021078. Its totient is φ = 1022111021076.

The previous prime is 1022111021051. The next prime is 1022111021149. The reversal of 1022111021077 is 7701201112201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 919740458961 + 102370562116 = 959031^2 + 319954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022111021077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022111021027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511055510538 + 511055510539.

It is an arithmetic number, because the mean of its divisors is an integer number (511055510539).

Almost surely, 2^{1022111021077} is an apocalyptic number.

It is an amenable number.

1022111021077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022111021077 is an equidigital number, since it uses as much as digits as its factorization.

1022111021077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 25.

Adding to 1022111021077 its reverse (7701201112201), we get a palindrome (8723312133278).

The spelling of 1022111021077 in words is "one trillion, twenty-two billion, one hundred eleven million, twenty-one thousand, seventy-seven".