1012100202101 has 4 divisors (see below), whose sum is σ = 1047000209100. Its totient is φ = 977200195104.

The previous prime is 1012100202059. The next prime is 1012100202121. The reversal of 1012100202101 is 1012020012101.

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 369361278001 + 642738924100 = 607751^2 + 801710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012100202101 - 2¹⁴ = 1012100185717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012100202121) 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, 17450003456 + ... + 17450003513.

It is an arithmetic number, because the mean of its divisors is an integer number (261750052275).

Almost surely, 2^{1012100202101} is an apocalyptic number.

It is an amenable number.

1012100202101 is a deficient number, since it is larger than the sum of its proper divisors (34900006999).

1012100202101 is an equidigital number, since it uses as much as digits as its factorization.

1012100202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34900006998.

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

Adding to 1012100202101 its reverse (1012020012101), we get a palindrome (2024120214202).

The spelling of 1012100202101 in words is "one trillion, twelve billion, one hundred million, two hundred two thousand, one hundred one".