1102111202201 has 4 divisors (see below), whose sum is σ = 1113023194404. Its totient is φ = 1091199210000.

The previous prime is 1102111202191. The next prime is 1102111202209. The reversal of 1102111202201 is 1022021112011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1041112081801 + 60999120400 = 1020349^2 + 246980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102111202201 - 2³⁸ = 827233295257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102111202209) 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, 5455995950 + ... + 5455996151.

It is an arithmetic number, because the mean of its divisors is an integer number (278255798601).

Almost surely, 2^{1102111202201} is an apocalyptic number.

It is an amenable number.

1102111202201 is a deficient number, since it is larger than the sum of its proper divisors (10911992203).

1102111202201 is a wasteful number, since it uses less digits than its factorization.

1102111202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911992202.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1102111202201 its reverse (1022021112011), we get a palindrome (2124132314212).

The spelling of 1102111202201 in words is "one trillion, one hundred two billion, one hundred eleven million, two hundred two thousand, two hundred one".