1012100102201 has 4 divisors (see below), whose sum is σ = 1012111167732. Its totient is φ = 1012089036672.

The previous prime is 1012100102177. The next prime is 1012100102213. The reversal of 1012100102201 is 1022010012101.

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 473101854976 + 538998247225 = 687824^2 + 734165^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012100102201 - 2¹⁸ = 1012099840057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012100102231) 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, 5394416 + ... + 5578881.

It is an arithmetic number, because the mean of its divisors is an integer number (253027791933).

Almost surely, 2^{1012100102201} is an apocalyptic number.

It is an amenable number.

1012100102201 is a deficient number, since it is larger than the sum of its proper divisors (11065531).

1012100102201 is an equidigital number, since it uses as much as digits as its factorization.

1012100102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11065530.

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

Adding to 1012100102201 its reverse (1022010012101), we get a palindrome (2034110114302).

The spelling of 1012100102201 in words is "one trillion, twelve billion, one hundred million, one hundred two thousand, two hundred one".