1011200102201 has 8 divisors (see below), whose sum is σ = 1071015339240. Its totient is φ = 951421851648.

The previous prime is 1011200102191. The next prime is 1011200102219. The reversal of 1011200102201 is 1022010021101.

It can be written as a sum of positive squares in 4 ways, for example, as 854190002176 + 157010100025 = 924224^2 + 396245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011200102201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011200102291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9190316 + ... + 9299693.

It is an arithmetic number, because the mean of its divisors is an integer number (133876917405).

Almost surely, 2^{1011200102201} is an apocalyptic number.

It is an amenable number.

1011200102201 is a deficient number, since it is larger than the sum of its proper divisors (59815237039).

1011200102201 is a wasteful number, since it uses less digits than its factorization.

1011200102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18493243.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011200102201 its reverse (1022010021101), we get a palindrome (2033210123302).

The spelling of 1011200102201 in words is "one trillion, eleven billion, two hundred million, one hundred two thousand, two hundred one".