1011001201201 has 4 divisors (see below), whose sum is σ = 1012141000512. Its totient is φ = 1009861401892.

The previous prime is 1011001201139. The next prime is 1011001201207. The reversal of 1011001201201 is 1021021001101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1011001201201 - 2¹⁷ = 1011001070129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011001201207) 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 in 3 ways as a sum of consecutive naturals, for example, 569898325 + ... + 569900098.

It is an arithmetic number, because the mean of its divisors is an integer number (253035250128).

Almost surely, 2^{1011001201201} is an apocalyptic number.

It is an amenable number.

1011001201201 is a deficient number, since it is larger than the sum of its proper divisors (1139799311).

1011001201201 is an equidigital number, since it uses as much as digits as its factorization.

1011001201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139799310.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1011001201201 its reverse (1021021001101), we get a palindrome (2032022202302).

The spelling of 1011001201201 in words is "one trillion, eleven billion, one million, two hundred one thousand, two hundred one".