1102002221077 has 2 divisors, whose sum is σ = 1102002221078. Its totient is φ = 1102002221076.

The previous prime is 1102002220973. The next prime is 1102002221113. The reversal of 1102002221077 is 7701222002011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992282945956 + 109719275121 = 996134^2 + 331239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102002221077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102002228077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551001110538 + 551001110539.

It is an arithmetic number, because the mean of its divisors is an integer number (551001110539).

Almost surely, 2^{1102002221077} is an apocalyptic number.

It is an amenable number.

1102002221077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102002221077 is an equidigital number, since it uses as much as digits as its factorization.

1102002221077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

Adding to 1102002221077 its reverse (7701222002011), we get a palindrome (8803224223088).

The spelling of 1102002221077 in words is "one trillion, one hundred two billion, two million, two hundred twenty-one thousand, seventy-seven".