1201102111049 has 2 divisors, whose sum is σ = 1201102111050. Its totient is φ = 1201102111048.

The previous prime is 1201102111007. The next prime is 1201102111057. The reversal of 1201102111049 is 9401112011021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1179059364025 + 22042747024 = 1085845^2 + 148468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201102111049 - 2¹⁶ = 1201102045513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201102101049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600551055524 + 600551055525.

It is an arithmetic number, because the mean of its divisors is an integer number (600551055525).

Almost surely, 2^{1201102111049} is an apocalyptic number.

It is an amenable number.

1201102111049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201102111049 is an equidigital number, since it uses as much as digits as its factorization.

1201102111049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 1201102111049 in words is "one trillion, two hundred one billion, one hundred two million, one hundred eleven thousand, forty-nine".