1102020122201 has 4 divisors (see below), whose sum is σ = 1140020816100. Its totient is φ = 1064019428304.

The previous prime is 1102020122183. The next prime is 1102020122209. The reversal of 1102020122201 is 1022210202011.

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 869927424601 + 232092697600 = 932699^2 + 481760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102020122201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1102020122209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19000346906 + ... + 19000346963.

It is an arithmetic number, because the mean of its divisors is an integer number (285005204025).

Almost surely, 2^{1102020122201} is an apocalyptic number.

It is an amenable number.

1102020122201 is a deficient number, since it is larger than the sum of its proper divisors (38000693899).

1102020122201 is an equidigital number, since it uses as much as digits as its factorization.

1102020122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38000693898.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1102020122201 its reverse (1022210202011), we get a palindrome (2124230324212).

It can be divided in two parts, 1102020 and 122201, that added together give a palindrome (1224221).

The spelling of 1102020122201 in words is "one trillion, one hundred two billion, twenty million, one hundred twenty-two thousand, two hundred one".