111201002010101 has 4 divisors (see below), whose sum is σ = 111260372541612. Its totient is φ = 111141631478592.

The previous prime is 111201002010089. The next prime is 111201002010113. The reversal of 111201002010101 is 101010200102111.

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

It is an interprime number because it is at equal distance from previous prime (111201002010089) and next prime (111201002010113).

It can be written as a sum of positive squares in 2 ways, for example, as 4029851487601 + 107171150522500 = 2007449^2 + 10352350^2 .

It is a cyclic number.

It is not a de Polignac number, because 111201002010101 - 2²⁶ = 111200934901237 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 (111201002010121) 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, 29685262946 + ... + 29685266691.

It is an arithmetic number, because the mean of its divisors is an integer number (27815093135403).

Almost surely, 2^{111201002010101} is an apocalyptic number.

It is an amenable number.

111201002010101 is a deficient number, since it is larger than the sum of its proper divisors (59370531511).

111201002010101 is an equidigital number, since it uses as much as digits as its factorization.

111201002010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59370531510.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111201002010101 its reverse (101010200102111), we get a palindrome (212211202112212).

The spelling of 111201002010101 in words is "one hundred eleven trillion, two hundred one billion, two million, ten thousand, one hundred one".