201210020011101 has 4 divisors (see below), whose sum is σ = 268280026681472. Its totient is φ = 134140013340732.

The previous prime is 201210020011093. The next prime is 201210020011109. The reversal of 201210020011101 is 101110020012102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (201210020011093) and next prime (201210020011109).

It is not a de Polignac number, because 201210020011101 - 2³ = 201210020011093 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 (201210020011109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33535003335181 + ... + 33535003335186.

It is an arithmetic number, because the mean of its divisors is an integer number (67070006670368).

Almost surely, 2^{201210020011101} is an apocalyptic number.

It is an amenable number.

201210020011101 is a deficient number, since it is larger than the sum of its proper divisors (67070006670371).

201210020011101 is an equidigital number, since it uses as much as digits as its factorization.

201210020011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67070006670370.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201210020011101 its reverse (101110020012102), we get a palindrome (302320040023203).

The spelling of 201210020011101 in words is "two hundred one trillion, two hundred ten billion, twenty million, eleven thousand, one hundred one".