1011200010949 has 2 divisors, whose sum is σ = 1011200010950. Its totient is φ = 1011200010948.

The previous prime is 1011200010929. The next prime is 1011200011027. The reversal of 1011200010949 is 9490100021101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609364461924 + 401835549025 = 780618^2 + 633905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011200010949 - 2³⁹ = 461444197061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011200010929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505600005474 + 505600005475.

It is an arithmetic number, because the mean of its divisors is an integer number (505600005475).

Almost surely, 2^{1011200010949} is an apocalyptic number.

It is an amenable number.

1011200010949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011200010949 is an equidigital number, since it uses as much as digits as its factorization.

1011200010949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 1011200010949 in words is "one trillion, eleven billion, two hundred million, ten thousand, nine hundred forty-nine".