1101010101049 has 2 divisors, whose sum is σ = 1101010101050. Its totient is φ = 1101010101048.

The previous prime is 1101010101031. The next prime is 1101010101091. The reversal of 1101010101049 is 9401010101011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1054252525824 + 46757575225 = 1026768^2 + 216235^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101010101049 - 2²⁹ = 1100473230137 is a prime.

It is a super-2 number, since 2×1101010101049² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1101010101449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550505050524 + 550505050525.

It is an arithmetic number, because the mean of its divisors is an integer number (550505050525).

Almost surely, 2^{1101010101049} is an apocalyptic number.

It is an amenable number.

1101010101049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101010101049 is an equidigital number, since it uses as much as digits as its factorization.

1101010101049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 1101010101049 in words is "one trillion, one hundred one billion, ten million, one hundred one thousand, forty-nine".