1101021112057 has 2 divisors, whose sum is σ = 1101021112058. Its totient is φ = 1101021112056.

The previous prime is 1101021111991. The next prime is 1101021112099. The reversal of 1101021112057 is 7502111201011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1087638324201 + 13382787856 = 1042899^2 + 115684^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101021112057 - 2⁷ = 1101021111929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101021112157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550510556028 + 550510556029.

It is an arithmetic number, because the mean of its divisors is an integer number (550510556029).

Almost surely, 2^{1101021112057} is an apocalyptic number.

It is an amenable number.

1101021112057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101021112057 is an equidigital number, since it uses as much as digits as its factorization.

1101021112057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 22.

Adding to 1101021112057 its reverse (7502111201011), we get a palindrome (8603132313068).

The spelling of 1101021112057 in words is "one trillion, one hundred one billion, twenty-one million, one hundred twelve thousand, fifty-seven".